8738964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 24216192

約数和(自身を除く): 15477228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 263, 284, 426, 468, 526, 639, 789, 852, 923, 1052, 1278, 1578, 1846, 2367, 2556, 2769, 3156, 3419, 3692, 4734, 5538, 6838, 8307, 9468, 10257, 11076, 13676, 16614, 18673, 20514, 30771, 33228, 37346, 41028, 56019, 61542, 74692, 112038, 123084, 168057, 224076, 242749, 336114, 485498, 672228, 728247, 970996, 1456494, 2184741, 2912988, 4369482, 8738964]

約数ペア:

[(1, 8738964), (2, 4369482), (3, 2912988), (4, 2184741), (6, 1456494), (9, 970996), (12, 728247), (13, 672228), (18, 485498), (26, 336114), (36, 242749), (39, 224076), (52, 168057), (71, 123084), (78, 112038), (117, 74692), (142, 61542), (156, 56019), (213, 41028), (234, 37346), (263, 33228), (284, 30771), (426, 20514), (468, 18673), (526, 16614), (639, 13676), (789, 11076), (852, 10257), (923, 9468), (1052, 8307), (1278, 6838), (1578, 5538), (1846, 4734), (2367, 3692), (2556, 3419), (2769, 3156)]