64868076

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19801}}^1$

素因数の和:19831

約数の個数: 72

約数和(自身を含む): 201821984

約数和(自身を除く): 136953908

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, 19801, 39602, 59403, 79204, 118806, 138607, 178209, 237612, 257413, 277214, 356418, 415821, 514826, 554428, 712836, 772239, 831642, 1029652, 1247463, 1544478, 1663284, 1801891, 2316717, 2494926, 3088956, 3603782, 4633434, 4989852, 5405673, 7207564, 9266868, 10811346, 16217019, 21622692, 32434038, 64868076]

約数ペア:

[(1, 64868076), (2, 32434038), (3, 21622692), (4, 16217019), (6, 10811346), (7, 9266868), (9, 7207564), (12, 5405673), (13, 4989852), (14, 4633434), (18, 3603782), (21, 3088956), (26, 2494926), (28, 2316717), (36, 1801891), (39, 1663284), (42, 1544478), (52, 1247463), (63, 1029652), (78, 831642), (84, 772239), (91, 712836), (117, 554428), (126, 514826), (156, 415821), (182, 356418), (234, 277214), (252, 257413), (273, 237612), (364, 178209), (468, 138607), (546, 118806), (819, 79204), (1092, 59403), (1638, 39602), (3276, 19801)]