291015972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1610

約数の個数: 108

約数和(自身を含む): 822791424

約数和(自身を除く): 531775452

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 169, 186, 234, 279, 338, 372, 403, 468, 507, 558, 676, 806, 1014, 1116, 1209, 1521, 1543, 1612, 2028, 2418, 3042, 3086, 3627, 4629, 4836, 5239, 6084, 6172, 7254, 9258, 10478, 13887, 14508, 15717, 18516, 20059, 20956, 27774, 31434, 40118, 47151, 47833, 55548, 60177, 62868, 80236, 94302, 95666, 120354, 143499, 180531, 188604, 191332, 240708, 260767, 286998, 361062, 430497, 521534, 573996, 621829, 722124, 782301, 860994, 1043068, 1243658, 1564602, 1721988, 1865487, 2346903, 2487316, 3129204, 3730974, 4693806, 5596461, 7461948, 8083777, 9387612, 11192922, 16167554, 22385844, 24251331, 32335108, 48502662, 72753993, 97005324, 145507986, 291015972]

約数ペア:

[(1, 291015972), (2, 145507986), (3, 97005324), (4, 72753993), (6, 48502662), (9, 32335108), (12, 24251331), (13, 22385844), (18, 16167554), (26, 11192922), (31, 9387612), (36, 8083777), (39, 7461948), (52, 5596461), (62, 4693806), (78, 3730974), (93, 3129204), (117, 2487316), (124, 2346903), (156, 1865487), (169, 1721988), (186, 1564602), (234, 1243658), (279, 1043068), (338, 860994), (372, 782301), (403, 722124), (468, 621829), (507, 573996), (558, 521534), (676, 430497), (806, 361062), (1014, 286998), (1116, 260767), (1209, 240708), (1521, 191332), (1543, 188604), (1612, 180531), (2028, 143499), (2418, 120354), (3042, 95666), (3086, 94302), (3627, 80236), (4629, 62868), (4836, 60177), (5239, 55548), (6084, 47833), (6172, 47151), (7254, 40118), (9258, 31434), (10478, 27774), (13887, 20956), (14508, 20059), (15717, 18516)]