258880132

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 549739008

約数和(自身を除く): 290858876

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 137, 196, 217, 274, 311, 434, 548, 622, 868, 959, 1244, 1519, 1918, 2177, 3038, 3836, 4247, 4354, 6076, 6713, 8494, 8708, 9641, 13426, 15239, 16988, 19282, 26852, 29729, 30478, 38564, 42607, 59458, 60956, 67487, 85214, 118916, 134974, 170428, 208103, 269948, 298249, 416206, 472409, 596498, 832412, 944818, 1192996, 1320817, 1889636, 2087743, 2641634, 4175486, 5283268, 8350972, 9245719, 18491438, 36982876, 64720033, 129440066, 258880132]

約数ペア:

[(1, 258880132), (2, 129440066), (4, 64720033), (7, 36982876), (14, 18491438), (28, 9245719), (31, 8350972), (49, 5283268), (62, 4175486), (98, 2641634), (124, 2087743), (137, 1889636), (196, 1320817), (217, 1192996), (274, 944818), (311, 832412), (434, 596498), (548, 472409), (622, 416206), (868, 298249), (959, 269948), (1244, 208103), (1519, 170428), (1918, 134974), (2177, 118916), (3038, 85214), (3836, 67487), (4247, 60956), (4354, 59458), (6076, 42607), (6713, 38564), (8494, 30478), (8708, 29729), (9641, 26852), (13426, 19282), (15239, 16988)]