81789918

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:282

約数の個数: 96

約数和(自身を含む): 201670560

約数和(自身を除く): 119880642

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 49, 53, 58, 87, 98, 106, 147, 159, 174, 181, 203, 294, 318, 362, 371, 406, 543, 609, 742, 1086, 1113, 1218, 1267, 1421, 1537, 2226, 2534, 2597, 2842, 3074, 3801, 4263, 4611, 5194, 5249, 7602, 7791, 8526, 8869, 9222, 9593, 10498, 10759, 15582, 15747, 17738, 19186, 21518, 26607, 28779, 31494, 32277, 36743, 53214, 57558, 64554, 67151, 73486, 75313, 110229, 134302, 150626, 201453, 220458, 225939, 257201, 278197, 402906, 451878, 470057, 514402, 556394, 771603, 834591, 940114, 1410171, 1543206, 1669182, 1947379, 2820342, 3894758, 5842137, 11684274, 13631653, 27263306, 40894959, 81789918]

約数ペア:

[(1, 81789918), (2, 40894959), (3, 27263306), (6, 13631653), (7, 11684274), (14, 5842137), (21, 3894758), (29, 2820342), (42, 1947379), (49, 1669182), (53, 1543206), (58, 1410171), (87, 940114), (98, 834591), (106, 771603), (147, 556394), (159, 514402), (174, 470057), (181, 451878), (203, 402906), (294, 278197), (318, 257201), (362, 225939), (371, 220458), (406, 201453), (543, 150626), (609, 134302), (742, 110229), (1086, 75313), (1113, 73486), (1218, 67151), (1267, 64554), (1421, 57558), (1537, 53214), (2226, 36743), (2534, 32277), (2597, 31494), (2842, 28779), (3074, 26607), (3801, 21518), (4263, 19186), (4611, 17738), (5194, 15747), (5249, 15582), (7602, 10759), (7791, 10498), (8526, 9593), (8869, 9222)]