638427816

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{35899}}^1$

素因数の和:35943

約数の個数: 96

約数和(自身を含む): 1960140000

約数和(自身を除く): 1321712184

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, 228, 234, 247, 312, 342, 456, 468, 494, 684, 741, 936, 988, 1368, 1482, 1976, 2223, 2964, 4446, 5928, 8892, 17784, 35899, 71798, 107697, 143596, 215394, 287192, 323091, 430788, 466687, 646182, 682081, 861576, 933374, 1292364, 1364162, 1400061, 1866748, 2046243, 2584728, 2728324, 2800122, 3733496, 4092486, 4200183, 5456648, 5600244, 6138729, 8184972, 8400366, 8867053, 11200488, 12277458, 16369944, 16800732, 17734106, 24554916, 26601159, 33601464, 35468212, 49109832, 53202318, 70936424, 79803477, 106404636, 159606954, 212809272, 319213908, 638427816]

約数ペア:

[(1, 638427816), (2, 319213908), (3, 212809272), (4, 159606954), (6, 106404636), (8, 79803477), (9, 70936424), (12, 53202318), (13, 49109832), (18, 35468212), (19, 33601464), (24, 26601159), (26, 24554916), (36, 17734106), (38, 16800732), (39, 16369944), (52, 12277458), (57, 11200488), (72, 8867053), (76, 8400366), (78, 8184972), (104, 6138729), (114, 5600244), (117, 5456648), (152, 4200183), (156, 4092486), (171, 3733496), (228, 2800122), (234, 2728324), (247, 2584728), (312, 2046243), (342, 1866748), (456, 1400061), (468, 1364162), (494, 1292364), (684, 933374), (741, 861576), (936, 682081), (988, 646182), (1368, 466687), (1482, 430788), (1976, 323091), (2223, 287192), (2964, 215394), (4446, 143596), (5928, 107697), (8892, 71798), (17784, 35899)]