642388344

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89519}}^1$

素因数の和:89564

約数の個数: 64

約数和(自身を含む): 1804723200

約数和(自身を除く): 1162334856

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 184, 276, 299, 312, 552, 598, 897, 1196, 1794, 2392, 3588, 7176, 89519, 179038, 268557, 358076, 537114, 716152, 1074228, 1163747, 2058937, 2148456, 2327494, 3491241, 4117874, 4654988, 6176811, 6982482, 8235748, 9309976, 12353622, 13964964, 16471496, 24707244, 26766181, 27929928, 49414488, 53532362, 80298543, 107064724, 160597086, 214129448, 321194172, 642388344]

約数ペア:

[(1, 642388344), (2, 321194172), (3, 214129448), (4, 160597086), (6, 107064724), (8, 80298543), (12, 53532362), (13, 49414488), (23, 27929928), (24, 26766181), (26, 24707244), (39, 16471496), (46, 13964964), (52, 12353622), (69, 9309976), (78, 8235748), (92, 6982482), (104, 6176811), (138, 4654988), (156, 4117874), (184, 3491241), (276, 2327494), (299, 2148456), (312, 2058937), (552, 1163747), (598, 1074228), (897, 716152), (1196, 537114), (1794, 358076), (2392, 268557), (3588, 179038), (7176, 89519)]