215875218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 481219200

約数和(自身を除く): 265343982

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 61, 78, 118, 122, 177, 183, 354, 366, 767, 769, 793, 1534, 1538, 1586, 2301, 2307, 2379, 3599, 4602, 4614, 4758, 7198, 9997, 10797, 19994, 21594, 29991, 45371, 46787, 46909, 59982, 90742, 93574, 93818, 136113, 140361, 140727, 272226, 280722, 281454, 589823, 609817, 1179646, 1219634, 1769469, 1829451, 2767631, 3538938, 3658902, 5535262, 8302893, 16605786, 35979203, 71958406, 107937609, 215875218]

約数ペア:

[(1, 215875218), (2, 107937609), (3, 71958406), (6, 35979203), (13, 16605786), (26, 8302893), (39, 5535262), (59, 3658902), (61, 3538938), (78, 2767631), (118, 1829451), (122, 1769469), (177, 1219634), (183, 1179646), (354, 609817), (366, 589823), (767, 281454), (769, 280722), (793, 272226), (1534, 140727), (1538, 140361), (1586, 136113), (2301, 93818), (2307, 93574), (2379, 90742), (3599, 59982), (4602, 46909), (4614, 46787), (4758, 45371), (7198, 29991), (9997, 21594), (10797, 19994)]