207719928

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 624915720

約数和(自身を除く): 417195792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 43, 52, 72, 78, 86, 104, 117, 129, 156, 169, 172, 234, 258, 312, 338, 344, 387, 397, 468, 507, 516, 559, 676, 774, 794, 936, 1014, 1032, 1118, 1191, 1352, 1521, 1548, 1588, 1677, 2028, 2236, 2382, 3042, 3096, 3176, 3354, 3573, 4056, 4472, 4764, 5031, 5161, 6084, 6708, 7146, 7267, 9528, 10062, 10322, 12168, 13416, 14292, 14534, 15483, 17071, 20124, 20644, 21801, 28584, 29068, 30966, 34142, 40248, 41288, 43602, 46449, 51213, 58136, 61932, 65403, 67093, 68284, 87204, 92898, 102426, 123864, 130806, 134186, 136568, 153639, 174408, 185796, 201279, 204852, 221923, 261612, 268372, 307278, 371592, 402558, 409704, 443846, 523224, 536744, 603837, 614556, 665769, 805116, 887692, 1207674, 1229112, 1331538, 1610232, 1775384, 1997307, 2415348, 2663076, 2884999, 3994614, 4830696, 5326152, 5769998, 7989228, 8654997, 11539996, 15978456, 17309994, 23079992, 25964991, 34619988, 51929982, 69239976, 103859964, 207719928]

約数ペア:

[(1, 207719928), (2, 103859964), (3, 69239976), (4, 51929982), (6, 34619988), (8, 25964991), (9, 23079992), (12, 17309994), (13, 15978456), (18, 11539996), (24, 8654997), (26, 7989228), (36, 5769998), (39, 5326152), (43, 4830696), (52, 3994614), (72, 2884999), (78, 2663076), (86, 2415348), (104, 1997307), (117, 1775384), (129, 1610232), (156, 1331538), (169, 1229112), (172, 1207674), (234, 887692), (258, 805116), (312, 665769), (338, 614556), (344, 603837), (387, 536744), (397, 523224), (468, 443846), (507, 409704), (516, 402558), (559, 371592), (676, 307278), (774, 268372), (794, 261612), (936, 221923), (1014, 204852), (1032, 201279), (1118, 185796), (1191, 174408), (1352, 153639), (1521, 136568), (1548, 134186), (1588, 130806), (1677, 123864), (2028, 102426), (2236, 92898), (2382, 87204), (3042, 68284), (3096, 67093), (3176, 65403), (3354, 61932), (3573, 58136), (4056, 51213), (4472, 46449), (4764, 43602), (5031, 41288), (5161, 40248), (6084, 34142), (6708, 30966), (7146, 29068), (7267, 28584), (9528, 21801), (10062, 20644), (10322, 20124), (12168, 17071), (13416, 15483), (14292, 14534)]