171431988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:622

約数の個数: 144

約数和(自身を含む): 514269504

約数和(自身を除く): 342837516

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 41, 42, 49, 52, 78, 82, 84, 91, 98, 123, 147, 156, 164, 182, 196, 246, 273, 287, 294, 364, 492, 533, 546, 547, 574, 588, 637, 861, 1066, 1092, 1094, 1148, 1274, 1599, 1641, 1722, 1911, 2009, 2132, 2188, 2548, 3198, 3282, 3444, 3731, 3822, 3829, 4018, 6027, 6396, 6564, 7111, 7462, 7644, 7658, 8036, 11193, 11487, 12054, 14222, 14924, 15316, 21333, 22386, 22427, 22974, 24108, 26117, 26803, 28444, 42666, 44772, 44854, 45948, 49777, 52234, 53606, 67281, 78351, 80409, 85332, 89708, 99554, 104468, 107212, 134562, 149331, 156702, 156989, 160818, 199108, 269124, 291551, 298662, 313404, 313978, 321636, 348439, 470967, 583102, 597324, 627956, 696878, 874653, 941934, 1045317, 1098923, 1166204, 1393756, 1749306, 1883868, 2040857, 2090634, 2197846, 3296769, 3498612, 4081714, 4181268, 4395692, 6122571, 6593538, 8163428, 12245142, 13187076, 14285999, 24490284, 28571998, 42857997, 57143996, 85715994, 171431988]

約数ペア:

[(1, 171431988), (2, 85715994), (3, 57143996), (4, 42857997), (6, 28571998), (7, 24490284), (12, 14285999), (13, 13187076), (14, 12245142), (21, 8163428), (26, 6593538), (28, 6122571), (39, 4395692), (41, 4181268), (42, 4081714), (49, 3498612), (52, 3296769), (78, 2197846), (82, 2090634), (84, 2040857), (91, 1883868), (98, 1749306), (123, 1393756), (147, 1166204), (156, 1098923), (164, 1045317), (182, 941934), (196, 874653), (246, 696878), (273, 627956), (287, 597324), (294, 583102), (364, 470967), (492, 348439), (533, 321636), (546, 313978), (547, 313404), (574, 298662), (588, 291551), (637, 269124), (861, 199108), (1066, 160818), (1092, 156989), (1094, 156702), (1148, 149331), (1274, 134562), (1599, 107212), (1641, 104468), (1722, 99554), (1911, 89708), (2009, 85332), (2132, 80409), (2188, 78351), (2548, 67281), (3198, 53606), (3282, 52234), (3444, 49777), (3731, 45948), (3822, 44854), (3829, 44772), (4018, 42666), (6027, 28444), (6396, 26803), (6564, 26117), (7111, 24108), (7462, 22974), (7644, 22427), (7658, 22386), (8036, 21333), (11193, 15316), (11487, 14924), (12054, 14222)]