31804308

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 85228416

約数和(自身を除く): 53424108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 71, 92, 138, 142, 207, 213, 276, 284, 414, 426, 541, 639, 828, 852, 1082, 1278, 1623, 1633, 2164, 2556, 3246, 3266, 4869, 4899, 6492, 6532, 9738, 9798, 12443, 14697, 19476, 19596, 24886, 29394, 37329, 38411, 49772, 58788, 74658, 76822, 111987, 115233, 149316, 153644, 223974, 230466, 345699, 447948, 460932, 691398, 883453, 1382796, 1766906, 2650359, 3533812, 5300718, 7951077, 10601436, 15902154, 31804308]

約数ペア:

[(1, 31804308), (2, 15902154), (3, 10601436), (4, 7951077), (6, 5300718), (9, 3533812), (12, 2650359), (18, 1766906), (23, 1382796), (36, 883453), (46, 691398), (69, 460932), (71, 447948), (92, 345699), (138, 230466), (142, 223974), (207, 153644), (213, 149316), (276, 115233), (284, 111987), (414, 76822), (426, 74658), (541, 58788), (639, 49772), (828, 38411), (852, 37329), (1082, 29394), (1278, 24886), (1623, 19596), (1633, 19476), (2164, 14697), (2556, 12443), (3246, 9798), (3266, 9738), (4869, 6532), (4899, 6492)]