1538316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 4433520

約数和(自身を除く): 2895204

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 173, 228, 234, 247, 342, 346, 468, 494, 519, 684, 692, 741, 988, 1038, 1482, 1557, 2076, 2223, 2249, 2964, 3114, 3287, 4446, 4498, 6228, 6574, 6747, 8892, 8996, 9861, 13148, 13494, 19722, 20241, 26988, 29583, 39444, 40482, 42731, 59166, 80964, 85462, 118332, 128193, 170924, 256386, 384579, 512772, 769158, 1538316]

約数ペア:

[(1, 1538316), (2, 769158), (3, 512772), (4, 384579), (6, 256386), (9, 170924), (12, 128193), (13, 118332), (18, 85462), (19, 80964), (26, 59166), (36, 42731), (38, 40482), (39, 39444), (52, 29583), (57, 26988), (76, 20241), (78, 19722), (114, 13494), (117, 13148), (156, 9861), (171, 8996), (173, 8892), (228, 6747), (234, 6574), (247, 6228), (342, 4498), (346, 4446), (468, 3287), (494, 3114), (519, 2964), (684, 2249), (692, 2223), (741, 2076), (988, 1557), (1038, 1482)]