648778104

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^2$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 2002345800

約数和(自身を除く): 1353567696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 36, 38, 39, 52, 57, 72, 76, 78, 104, 114, 117, 152, 156, 171, 191, 228, 234, 247, 312, 342, 382, 456, 468, 494, 573, 684, 741, 764, 936, 988, 1146, 1368, 1482, 1528, 1719, 1976, 2223, 2292, 2483, 2964, 3438, 3629, 4446, 4584, 4966, 5928, 6876, 7258, 7449, 8892, 9932, 10887, 13752, 14516, 14898, 17784, 19864, 21774, 22347, 29032, 29796, 32661, 36481, 43548, 44694, 47177, 59592, 65322, 72962, 87096, 89388, 94354, 109443, 130644, 141531, 145924, 178776, 188708, 218886, 261288, 283062, 291848, 328329, 377416, 424593, 437772, 474253, 566124, 656658, 693139, 849186, 875544, 948506, 1132248, 1313316, 1386278, 1422759, 1698372, 1897012, 2079417, 2626632, 2772556, 2845518, 3396744, 3794024, 4158834, 4268277, 5545112, 5691036, 6238251, 8317668, 8536554, 9010807, 11382072, 12476502, 16635336, 17073108, 18021614, 24953004, 27032421, 34146216, 36043228, 49906008, 54064842, 72086456, 81097263, 108129684, 162194526, 216259368, 324389052, 648778104]

約数ペア:

[(1, 648778104), (2, 324389052), (3, 216259368), (4, 162194526), (6, 108129684), (8, 81097263), (9, 72086456), (12, 54064842), (13, 49906008), (18, 36043228), (19, 34146216), (24, 27032421), (26, 24953004), (36, 18021614), (38, 17073108), (39, 16635336), (52, 12476502), (57, 11382072), (72, 9010807), (76, 8536554), (78, 8317668), (104, 6238251), (114, 5691036), (117, 5545112), (152, 4268277), (156, 4158834), (171, 3794024), (191, 3396744), (228, 2845518), (234, 2772556), (247, 2626632), (312, 2079417), (342, 1897012), (382, 1698372), (456, 1422759), (468, 1386278), (494, 1313316), (573, 1132248), (684, 948506), (741, 875544), (764, 849186), (936, 693139), (988, 656658), (1146, 566124), (1368, 474253), (1482, 437772), (1528, 424593), (1719, 377416), (1976, 328329), (2223, 291848), (2292, 283062), (2483, 261288), (2964, 218886), (3438, 188708), (3629, 178776), (4446, 145924), (4584, 141531), (4966, 130644), (5928, 109443), (6876, 94354), (7258, 89388), (7449, 87096), (8892, 72962), (9932, 65322), (10887, 59592), (13752, 47177), (14516, 44694), (14898, 43548), (17784, 36481), (19864, 32661), (21774, 29796), (22347, 29032)]