31415808

素因数分解:

$2^9\times 3^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 80

約数和(自身を含む): 84900816

約数和(自身を除く): 53485008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 113, 128, 181, 192, 226, 256, 339, 362, 384, 452, 512, 543, 678, 724, 768, 904, 1086, 1356, 1448, 1536, 1808, 2172, 2712, 2896, 3616, 4344, 5424, 5792, 7232, 8688, 10848, 11584, 14464, 17376, 20453, 21696, 23168, 28928, 34752, 40906, 43392, 46336, 57856, 61359, 69504, 81812, 86784, 92672, 122718, 139008, 163624, 173568, 245436, 278016, 327248, 490872, 654496, 981744, 1308992, 1963488, 2617984, 3926976, 5235968, 7853952, 10471936, 15707904, 31415808]

約数ペア:

[(1, 31415808), (2, 15707904), (3, 10471936), (4, 7853952), (6, 5235968), (8, 3926976), (12, 2617984), (16, 1963488), (24, 1308992), (32, 981744), (48, 654496), (64, 490872), (96, 327248), (113, 278016), (128, 245436), (181, 173568), (192, 163624), (226, 139008), (256, 122718), (339, 92672), (362, 86784), (384, 81812), (452, 69504), (512, 61359), (543, 57856), (678, 46336), (724, 43392), (768, 40906), (904, 34752), (1086, 28928), (1356, 23168), (1448, 21696), (1536, 20453), (1808, 17376), (2172, 14464), (2712, 11584), (2896, 10848), (3616, 8688), (4344, 7232), (5424, 5792)]