851487156

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{38711}}^1$

素因数の和:38781

約数の個数: 72

約数和(自身を含む): 2367316224

約数和(自身を除く): 1515829068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 1222, 1692, 1833, 2444, 3666, 5499, 7332, 10998, 21996, 38711, 77422, 116133, 154844, 232266, 348399, 464532, 503243, 696798, 1006486, 1393596, 1509729, 1819417, 2012972, 3019458, 3638834, 4529187, 5458251, 6038916, 7277668, 9058374, 10916502, 16374753, 18116748, 21833004, 23652421, 32749506, 47304842, 65499012, 70957263, 94609684, 141914526, 212871789, 283829052, 425743578, 851487156]

約数ペア:

[(1, 851487156), (2, 425743578), (3, 283829052), (4, 212871789), (6, 141914526), (9, 94609684), (12, 70957263), (13, 65499012), (18, 47304842), (26, 32749506), (36, 23652421), (39, 21833004), (47, 18116748), (52, 16374753), (78, 10916502), (94, 9058374), (117, 7277668), (141, 6038916), (156, 5458251), (188, 4529187), (234, 3638834), (282, 3019458), (423, 2012972), (468, 1819417), (564, 1509729), (611, 1393596), (846, 1006486), (1222, 696798), (1692, 503243), (1833, 464532), (2444, 348399), (3666, 232266), (5499, 154844), (7332, 116133), (10998, 77422), (21996, 38711)]