391313496

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:605

約数の個数: 128

約数和(自身を含む): 1162690560

約数和(自身を除く): 771377064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 227, 248, 331, 372, 434, 454, 651, 662, 681, 744, 868, 908, 993, 1302, 1324, 1362, 1589, 1736, 1816, 1986, 2317, 2604, 2648, 2724, 3178, 3972, 4634, 4767, 5208, 5448, 6356, 6951, 7037, 7944, 9268, 9534, 10261, 12712, 13902, 14074, 18536, 19068, 20522, 21111, 27804, 28148, 30783, 38136, 41044, 42222, 49259, 55608, 56296, 61566, 71827, 75137, 82088, 84444, 98518, 123132, 143654, 147777, 150274, 168888, 197036, 215481, 225411, 246264, 287308, 295554, 300548, 394072, 430962, 450822, 525959, 574616, 591108, 601096, 861924, 901644, 1051918, 1182216, 1577877, 1723848, 1803288, 2103836, 2329247, 3155754, 4207672, 4658494, 6311508, 6987741, 9316988, 12623016, 13975482, 16304729, 18633976, 27950964, 32609458, 48914187, 55901928, 65218916, 97828374, 130437832, 195656748, 391313496]

約数ペア:

[(1, 391313496), (2, 195656748), (3, 130437832), (4, 97828374), (6, 65218916), (7, 55901928), (8, 48914187), (12, 32609458), (14, 27950964), (21, 18633976), (24, 16304729), (28, 13975482), (31, 12623016), (42, 9316988), (56, 6987741), (62, 6311508), (84, 4658494), (93, 4207672), (124, 3155754), (168, 2329247), (186, 2103836), (217, 1803288), (227, 1723848), (248, 1577877), (331, 1182216), (372, 1051918), (434, 901644), (454, 861924), (651, 601096), (662, 591108), (681, 574616), (744, 525959), (868, 450822), (908, 430962), (993, 394072), (1302, 300548), (1324, 295554), (1362, 287308), (1589, 246264), (1736, 225411), (1816, 215481), (1986, 197036), (2317, 168888), (2604, 150274), (2648, 147777), (2724, 143654), (3178, 123132), (3972, 98518), (4634, 84444), (4767, 82088), (5208, 75137), (5448, 71827), (6356, 61566), (6951, 56296), (7037, 55608), (7944, 49259), (9268, 42222), (9534, 41044), (10261, 38136), (12712, 30783), (13902, 28148), (14074, 27804), (18536, 21111), (19068, 20522)]