81665532

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:500

約数の個数: 108

約数和(自身を含む): 231276864

約数和(自身を除く): 149611332

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, 433, 468, 507, 558, 676, 806, 866, 1014, 1116, 1209, 1299, 1521, 1612, 1732, 2028, 2418, 2598, 3042, 3627, 3897, 4836, 5196, 5239, 5629, 6084, 7254, 7794, 10478, 11258, 13423, 14508, 15588, 15717, 16887, 20956, 22516, 26846, 31434, 33774, 40269, 47151, 50661, 53692, 62868, 67548, 73177, 80538, 94302, 101322, 120807, 146354, 161076, 174499, 188604, 202644, 219531, 241614, 292708, 348998, 439062, 483228, 523497, 658593, 697996, 878124, 1046994, 1317186, 1570491, 2093988, 2268487, 2634372, 3140982, 4536974, 6281964, 6805461, 9073948, 13610922, 20416383, 27221844, 40832766, 81665532]

約数ペア:

[(1, 81665532), (2, 40832766), (3, 27221844), (4, 20416383), (6, 13610922), (9, 9073948), (12, 6805461), (13, 6281964), (18, 4536974), (26, 3140982), (31, 2634372), (36, 2268487), (39, 2093988), (52, 1570491), (62, 1317186), (78, 1046994), (93, 878124), (117, 697996), (124, 658593), (156, 523497), (169, 483228), (186, 439062), (234, 348998), (279, 292708), (338, 241614), (372, 219531), (403, 202644), (433, 188604), (468, 174499), (507, 161076), (558, 146354), (676, 120807), (806, 101322), (866, 94302), (1014, 80538), (1116, 73177), (1209, 67548), (1299, 62868), (1521, 53692), (1612, 50661), (1732, 47151), (2028, 40269), (2418, 33774), (2598, 31434), (3042, 26846), (3627, 22516), (3897, 20956), (4836, 16887), (5196, 15717), (5239, 15588), (5629, 14508), (6084, 13423), (7254, 11258), (7794, 10478)]