31978674

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2789}}^1$

素因数の和:2824

約数の個数: 72

約数和(自身を含む): 86830380

約数和(自身を除く): 54851706

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1911, 2789, 3822, 5578, 5733, 8367, 11466, 16734, 19523, 25101, 36257, 39046, 50202, 58569, 72514, 108771, 117138, 136661, 175707, 217542, 253799, 273322, 326313, 351414, 409983, 507598, 652626, 761397, 819966, 1229949, 1522794, 1776593, 2284191, 2459898, 3553186, 4568382, 5329779, 10659558, 15989337, 31978674]

約数ペア:

[(1, 31978674), (2, 15989337), (3, 10659558), (6, 5329779), (7, 4568382), (9, 3553186), (13, 2459898), (14, 2284191), (18, 1776593), (21, 1522794), (26, 1229949), (39, 819966), (42, 761397), (49, 652626), (63, 507598), (78, 409983), (91, 351414), (98, 326313), (117, 273322), (126, 253799), (147, 217542), (182, 175707), (234, 136661), (273, 117138), (294, 108771), (441, 72514), (546, 58569), (637, 50202), (819, 39046), (882, 36257), (1274, 25101), (1638, 19523), (1911, 16734), (2789, 11466), (3822, 8367), (5578, 5733)]