64907388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19813}}^1$

素因数の和:19843

約数の個数: 72

約数和(自身を含む): 201944288

約数和(自身を除く): 137036900

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 19813, 39626, 59439, 79252, 118878, 138691, 178317, 237756, 257569, 277382, 356634, 416073, 515138, 554764, 713268, 772707, 832146, 1030276, 1248219, 1545414, 1664292, 1802983, 2318121, 2496438, 3090828, 3605966, 4636242, 4992876, 5408949, 7211932, 9272484, 10817898, 16226847, 21635796, 32453694, 64907388]

約数ペア:

[(1, 64907388), (2, 32453694), (3, 21635796), (4, 16226847), (6, 10817898), (7, 9272484), (9, 7211932), (12, 5408949), (13, 4992876), (14, 4636242), (18, 3605966), (21, 3090828), (26, 2496438), (28, 2318121), (36, 1802983), (39, 1664292), (42, 1545414), (52, 1248219), (63, 1030276), (78, 832146), (84, 772707), (91, 713268), (117, 554764), (126, 515138), (156, 416073), (182, 356634), (234, 277382), (252, 257569), (273, 237756), (364, 178317), (468, 138691), (546, 118878), (819, 79252), (1092, 59439), (1638, 39626), (3276, 19813)]