313804816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1187}}^1$

素因数の和:1280

約数の個数: 80

約数和(自身を含む): 692955648

約数和(自身を除く): 379150832

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 41, 52, 62, 82, 104, 124, 164, 208, 248, 328, 403, 496, 533, 656, 806, 1066, 1187, 1271, 1612, 2132, 2374, 2542, 3224, 4264, 4748, 5084, 6448, 8528, 9496, 10168, 15431, 16523, 18992, 20336, 30862, 33046, 36797, 48667, 61724, 66092, 73594, 97334, 123448, 132184, 147188, 194668, 246896, 264368, 294376, 389336, 478361, 588752, 632671, 778672, 956722, 1265342, 1508677, 1913444, 2530684, 3017354, 3826888, 5061368, 6034708, 7653776, 10122736, 12069416, 19612801, 24138832, 39225602, 78451204, 156902408, 313804816]

約数ペア:

[(1, 313804816), (2, 156902408), (4, 78451204), (8, 39225602), (13, 24138832), (16, 19612801), (26, 12069416), (31, 10122736), (41, 7653776), (52, 6034708), (62, 5061368), (82, 3826888), (104, 3017354), (124, 2530684), (164, 1913444), (208, 1508677), (248, 1265342), (328, 956722), (403, 778672), (496, 632671), (533, 588752), (656, 478361), (806, 389336), (1066, 294376), (1187, 264368), (1271, 246896), (1612, 194668), (2132, 147188), (2374, 132184), (2542, 123448), (3224, 97334), (4264, 73594), (4748, 66092), (5084, 61724), (6448, 48667), (8528, 36797), (9496, 33046), (10168, 30862), (15431, 20336), (16523, 18992)]