388987746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{569}}^1$

素因数の和:1019

約数の個数: 64

約数和(自身を含む): 914699520

約数和(自身を除く): 525711774

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 397, 569, 574, 794, 861, 1138, 1191, 1707, 1722, 2382, 2779, 3414, 3983, 5558, 7966, 8337, 11949, 16277, 16674, 23329, 23898, 32554, 46658, 48831, 69987, 97662, 113939, 139974, 163303, 225893, 227878, 326606, 341817, 451786, 489909, 677679, 683634, 979818, 1355358, 1581251, 3162502, 4743753, 9261613, 9487506, 18523226, 27784839, 55569678, 64831291, 129662582, 194493873, 388987746]

約数ペア:

[(1, 388987746), (2, 194493873), (3, 129662582), (6, 64831291), (7, 55569678), (14, 27784839), (21, 18523226), (41, 9487506), (42, 9261613), (82, 4743753), (123, 3162502), (246, 1581251), (287, 1355358), (397, 979818), (569, 683634), (574, 677679), (794, 489909), (861, 451786), (1138, 341817), (1191, 326606), (1707, 227878), (1722, 225893), (2382, 163303), (2779, 139974), (3414, 113939), (3983, 97662), (5558, 69987), (7966, 48831), (8337, 46658), (11949, 32554), (16277, 23898), (16674, 23329)]