31978128

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7321}}^1$

素因数の和:7352

約数の個数: 80

約数和(自身を含む): 101687936

約数和(自身を除く): 69709808

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 7321, 14642, 21963, 29284, 43926, 51247, 58568, 87852, 95173, 102494, 117136, 153741, 175704, 190346, 204988, 285519, 307482, 351408, 380692, 409976, 571038, 614964, 666211, 761384, 819952, 1142076, 1229928, 1332422, 1522768, 1998633, 2284152, 2459856, 2664844, 3997266, 4568304, 5329688, 7994532, 10659376, 15989064, 31978128]

約数ペア:

[(1, 31978128), (2, 15989064), (3, 10659376), (4, 7994532), (6, 5329688), (7, 4568304), (8, 3997266), (12, 2664844), (13, 2459856), (14, 2284152), (16, 1998633), (21, 1522768), (24, 1332422), (26, 1229928), (28, 1142076), (39, 819952), (42, 761384), (48, 666211), (52, 614964), (56, 571038), (78, 409976), (84, 380692), (91, 351408), (104, 307482), (112, 285519), (156, 204988), (168, 190346), (182, 175704), (208, 153741), (273, 117136), (312, 102494), (336, 95173), (364, 87852), (546, 58568), (624, 51247), (728, 43926), (1092, 29284), (1456, 21963), (2184, 14642), (4368, 7321)]