722881432

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:681

約数の個数: 128

約数和(自身を含む): 1752791040

約数和(自身を除く): 1029909608

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 47, 52, 56, 74, 91, 94, 104, 148, 182, 188, 259, 296, 329, 364, 376, 481, 518, 571, 611, 658, 728, 962, 1036, 1142, 1222, 1316, 1739, 1924, 2072, 2284, 2444, 2632, 3367, 3478, 3848, 3997, 4277, 4568, 4888, 6734, 6956, 7423, 7994, 8554, 12173, 13468, 13912, 14846, 15988, 17108, 21127, 22607, 24346, 26837, 26936, 29692, 31976, 34216, 42254, 45214, 48692, 51961, 53674, 59384, 84508, 90428, 97384, 103922, 107348, 147889, 158249, 169016, 180856, 187859, 207844, 214696, 274651, 295778, 316498, 348881, 375718, 415688, 549302, 591556, 632996, 697762, 751436, 992969, 1098604, 1183112, 1265992, 1395524, 1502872, 1922557, 1985938, 2197208, 2442167, 2791048, 3845114, 3971876, 4884334, 6950783, 7690228, 7943752, 9768668, 12908597, 13901566, 15380456, 19537336, 25817194, 27803132, 51634388, 55606264, 90360179, 103268776, 180720358, 361440716, 722881432]

約数ペア:

[(1, 722881432), (2, 361440716), (4, 180720358), (7, 103268776), (8, 90360179), (13, 55606264), (14, 51634388), (26, 27803132), (28, 25817194), (37, 19537336), (47, 15380456), (52, 13901566), (56, 12908597), (74, 9768668), (91, 7943752), (94, 7690228), (104, 6950783), (148, 4884334), (182, 3971876), (188, 3845114), (259, 2791048), (296, 2442167), (329, 2197208), (364, 1985938), (376, 1922557), (481, 1502872), (518, 1395524), (571, 1265992), (611, 1183112), (658, 1098604), (728, 992969), (962, 751436), (1036, 697762), (1142, 632996), (1222, 591556), (1316, 549302), (1739, 415688), (1924, 375718), (2072, 348881), (2284, 316498), (2444, 295778), (2632, 274651), (3367, 214696), (3478, 207844), (3848, 187859), (3997, 180856), (4277, 169016), (4568, 158249), (4888, 147889), (6734, 107348), (6956, 103922), (7423, 97384), (7994, 90428), (8554, 84508), (12173, 59384), (13468, 53674), (13912, 51961), (14846, 48692), (15988, 45214), (17108, 42254), (21127, 34216), (22607, 31976), (24346, 29692), (26837, 26936)]