81523572

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 209674080

約数和(自身を除く): 128150508

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 169, 183, 244, 338, 366, 507, 659, 676, 732, 793, 1014, 1318, 1586, 1977, 2028, 2379, 2636, 3172, 3954, 4758, 7908, 8567, 9516, 10309, 17134, 20618, 25701, 30927, 34268, 40199, 41236, 51402, 61854, 80398, 102804, 111371, 120597, 123708, 160796, 222742, 241194, 334113, 445484, 482388, 522587, 668226, 1045174, 1336452, 1567761, 2090348, 3135522, 6271044, 6793631, 13587262, 20380893, 27174524, 40761786, 81523572]

約数ペア:

[(1, 81523572), (2, 40761786), (3, 27174524), (4, 20380893), (6, 13587262), (12, 6793631), (13, 6271044), (26, 3135522), (39, 2090348), (52, 1567761), (61, 1336452), (78, 1045174), (122, 668226), (156, 522587), (169, 482388), (183, 445484), (244, 334113), (338, 241194), (366, 222742), (507, 160796), (659, 123708), (676, 120597), (732, 111371), (793, 102804), (1014, 80398), (1318, 61854), (1586, 51402), (1977, 41236), (2028, 40199), (2379, 34268), (2636, 30927), (3172, 25701), (3954, 20618), (4758, 17134), (7908, 10309), (8567, 9516)]