221849964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{18731}}^1$

素因数の和:18795

約数の個数: 72

約数和(自身を含む): 654571008

約数和(自身を除く): 432721044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 126, 141, 188, 252, 282, 329, 423, 564, 658, 846, 987, 1316, 1692, 1974, 2961, 3948, 5922, 11844, 18731, 37462, 56193, 74924, 112386, 131117, 168579, 224772, 262234, 337158, 393351, 524468, 674316, 786702, 880357, 1180053, 1573404, 1760714, 2360106, 2641071, 3521428, 4720212, 5282142, 6162499, 7923213, 10564284, 12324998, 15846426, 18487497, 24649996, 31692852, 36974994, 55462491, 73949988, 110924982, 221849964]

約数ペア:

[(1, 221849964), (2, 110924982), (3, 73949988), (4, 55462491), (6, 36974994), (7, 31692852), (9, 24649996), (12, 18487497), (14, 15846426), (18, 12324998), (21, 10564284), (28, 7923213), (36, 6162499), (42, 5282142), (47, 4720212), (63, 3521428), (84, 2641071), (94, 2360106), (126, 1760714), (141, 1573404), (188, 1180053), (252, 880357), (282, 786702), (329, 674316), (423, 524468), (564, 393351), (658, 337158), (846, 262234), (987, 224772), (1316, 168579), (1692, 131117), (1974, 112386), (2961, 74924), (3948, 56193), (5922, 37462), (11844, 18731)]