128288416

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1637}}^1$

素因数の和:1757

約数の個数: 48

約数和(自身を含む): 264176640

約数和(自身を除く): 135888224

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 79, 124, 158, 248, 316, 496, 632, 992, 1264, 1637, 2449, 2528, 3274, 4898, 6548, 9796, 13096, 19592, 26192, 39184, 50747, 52384, 78368, 101494, 129323, 202988, 258646, 405976, 517292, 811952, 1034584, 1623904, 2069168, 4009013, 4138336, 8018026, 16036052, 32072104, 64144208, 128288416]

約数ペア:

[(1, 128288416), (2, 64144208), (4, 32072104), (8, 16036052), (16, 8018026), (31, 4138336), (32, 4009013), (62, 2069168), (79, 1623904), (124, 1034584), (158, 811952), (248, 517292), (316, 405976), (496, 258646), (632, 202988), (992, 129323), (1264, 101494), (1637, 78368), (2449, 52384), (2528, 50747), (3274, 39184), (4898, 26192), (6548, 19592), (9796, 13096)]