491991396

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1307}}^1$

素因数の和:1473

約数の個数: 96

約数和(自身を含む): 1312604160

約数和(自身を除く): 820612764

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 127, 156, 228, 247, 254, 381, 494, 508, 741, 762, 988, 1307, 1482, 1524, 1651, 2413, 2614, 2964, 3302, 3921, 4826, 4953, 5228, 6604, 7239, 7842, 9652, 9906, 14478, 15684, 16991, 19812, 24833, 28956, 31369, 33982, 49666, 50973, 62738, 67964, 74499, 94107, 99332, 101946, 125476, 148998, 165989, 188214, 203892, 297996, 322829, 331978, 376428, 497967, 645658, 663956, 968487, 995934, 1291316, 1936974, 1991868, 2157857, 3153791, 3873948, 4315714, 6307582, 6473571, 8631428, 9461373, 12615164, 12947142, 18922746, 25894284, 37845492, 40999283, 81998566, 122997849, 163997132, 245995698, 491991396]

約数ペア:

[(1, 491991396), (2, 245995698), (3, 163997132), (4, 122997849), (6, 81998566), (12, 40999283), (13, 37845492), (19, 25894284), (26, 18922746), (38, 12947142), (39, 12615164), (52, 9461373), (57, 8631428), (76, 6473571), (78, 6307582), (114, 4315714), (127, 3873948), (156, 3153791), (228, 2157857), (247, 1991868), (254, 1936974), (381, 1291316), (494, 995934), (508, 968487), (741, 663956), (762, 645658), (988, 497967), (1307, 376428), (1482, 331978), (1524, 322829), (1651, 297996), (2413, 203892), (2614, 188214), (2964, 165989), (3302, 148998), (3921, 125476), (4826, 101946), (4953, 99332), (5228, 94107), (6604, 74499), (7239, 67964), (7842, 62738), (9652, 50973), (9906, 49666), (14478, 33982), (15684, 31369), (16991, 28956), (19812, 24833)]