2115516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 5419008

約数和(自身を除く): 3303492

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 191, 213, 284, 382, 426, 573, 764, 852, 923, 1146, 1846, 2292, 2483, 2769, 3692, 4966, 5538, 7449, 9932, 11076, 13561, 14898, 27122, 29796, 40683, 54244, 81366, 162732, 176293, 352586, 528879, 705172, 1057758, 2115516]

約数ペア:

[(1, 2115516), (2, 1057758), (3, 705172), (4, 528879), (6, 352586), (12, 176293), (13, 162732), (26, 81366), (39, 54244), (52, 40683), (71, 29796), (78, 27122), (142, 14898), (156, 13561), (191, 11076), (213, 9932), (284, 7449), (382, 5538), (426, 4966), (573, 3692), (764, 2769), (852, 2483), (923, 2292), (1146, 1846)]