8989917944

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{138511}}^1$

素因数の和:138604

約数の個数: 64

約数和(自身を含む): 20610585600

約数和(自身を除く): 11620667656

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 61, 76, 122, 133, 152, 244, 266, 427, 488, 532, 854, 1064, 1159, 1708, 2318, 3416, 4636, 8113, 9272, 16226, 32452, 64904, 138511, 277022, 554044, 969577, 1108088, 1939154, 2631709, 3878308, 5263418, 7756616, 8449171, 10526836, 16898342, 18421963, 21053672, 33796684, 36843926, 59144197, 67593368, 73687852, 118288394, 147375704, 160534249, 236576788, 321068498, 473153576, 642136996, 1123739743, 1284273992, 2247479486, 4494958972, 8989917944]

約数ペア:

[(1, 8989917944), (2, 4494958972), (4, 2247479486), (7, 1284273992), (8, 1123739743), (14, 642136996), (19, 473153576), (28, 321068498), (38, 236576788), (56, 160534249), (61, 147375704), (76, 118288394), (122, 73687852), (133, 67593368), (152, 59144197), (244, 36843926), (266, 33796684), (427, 21053672), (488, 18421963), (532, 16898342), (854, 10526836), (1064, 8449171), (1159, 7756616), (1708, 5263418), (2318, 3878308), (3416, 2631709), (4636, 1939154), (8113, 1108088), (9272, 969577), (16226, 554044), (32452, 277022), (64904, 138511)]