8921172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 23242464

約数和(自身を除く): 14321292

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 83, 106, 156, 159, 166, 169, 212, 249, 318, 332, 338, 498, 507, 636, 676, 689, 996, 1014, 1079, 1378, 2028, 2067, 2158, 2756, 3237, 4134, 4316, 4399, 6474, 8268, 8798, 8957, 12948, 13197, 14027, 17596, 17914, 26394, 26871, 28054, 35828, 42081, 52788, 53742, 56108, 57187, 84162, 107484, 114374, 168324, 171561, 228748, 343122, 686244, 743431, 1486862, 2230293, 2973724, 4460586, 8921172]

約数ペア:

[(1, 8921172), (2, 4460586), (3, 2973724), (4, 2230293), (6, 1486862), (12, 743431), (13, 686244), (26, 343122), (39, 228748), (52, 171561), (53, 168324), (78, 114374), (83, 107484), (106, 84162), (156, 57187), (159, 56108), (166, 53742), (169, 52788), (212, 42081), (249, 35828), (318, 28054), (332, 26871), (338, 26394), (498, 17914), (507, 17596), (636, 14027), (676, 13197), (689, 12948), (996, 8957), (1014, 8798), (1079, 8268), (1378, 6474), (2028, 4399), (2067, 4316), (2158, 4134), (2756, 3237)]