31355464

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 69816960

約数和(自身を除く): 38461496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 67, 122, 134, 137, 244, 268, 274, 427, 469, 488, 536, 548, 854, 938, 959, 1096, 1708, 1876, 1918, 3416, 3752, 3836, 4087, 7672, 8174, 8357, 9179, 16348, 16714, 18358, 28609, 32696, 33428, 36716, 57218, 58499, 64253, 66856, 73432, 114436, 116998, 128506, 228872, 233996, 257012, 467992, 514024, 559919, 1119838, 2239676, 3919433, 4479352, 7838866, 15677732, 31355464]

約数ペア:

[(1, 31355464), (2, 15677732), (4, 7838866), (7, 4479352), (8, 3919433), (14, 2239676), (28, 1119838), (56, 559919), (61, 514024), (67, 467992), (122, 257012), (134, 233996), (137, 228872), (244, 128506), (268, 116998), (274, 114436), (427, 73432), (469, 66856), (488, 64253), (536, 58499), (548, 57218), (854, 36716), (938, 33428), (959, 32696), (1096, 28609), (1708, 18358), (1876, 16714), (1918, 16348), (3416, 9179), (3752, 8357), (3836, 8174), (4087, 7672)]