128286123478

素因数分解:

$2^1\times {\mathrm{173}}^1\times {\mathrm{571}}^1\times {\mathrm{641}}^1\times {\mathrm{1013}}^1$

素因数の和:2400

約数の個数: 32

約数和(自身を含む): 194374600992

約数和(自身を除く): 66088477514

約数列:

[1, 2, 173, 346, 571, 641, 1013, 1142, 1282, 2026, 98783, 110893, 175249, 197566, 221786, 350498, 366011, 578423, 649333, 732022, 1156846, 1298666, 63319903, 100067179, 112334609, 126639806, 200134358, 224669218, 370769143, 741538286, 64143061739, 128286123478]

約数ペア:

[(1, 128286123478), (2, 64143061739), (173, 741538286), (346, 370769143), (571, 224669218), (641, 200134358), (1013, 126639806), (1142, 112334609), (1282, 100067179), (2026, 63319903), (98783, 1298666), (110893, 1156846), (175249, 732022), (197566, 649333), (221786, 578423), (350498, 366011)]