28745808

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6581}}^1$

素因数の和:6612

約数の個数: 80

約数和(自身を含む): 91410816

約数和(自身を除く): 62665008

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, 6581, 13162, 19743, 26324, 39486, 46067, 52648, 78972, 85553, 92134, 105296, 138201, 157944, 171106, 184268, 256659, 276402, 315888, 342212, 368536, 513318, 552804, 598871, 684424, 737072, 1026636, 1105608, 1197742, 1368848, 1796613, 2053272, 2211216, 2395484, 3593226, 4106544, 4790968, 7186452, 9581936, 14372904, 28745808]

約数ペア:

[(1, 28745808), (2, 14372904), (3, 9581936), (4, 7186452), (6, 4790968), (7, 4106544), (8, 3593226), (12, 2395484), (13, 2211216), (14, 2053272), (16, 1796613), (21, 1368848), (24, 1197742), (26, 1105608), (28, 1026636), (39, 737072), (42, 684424), (48, 598871), (52, 552804), (56, 513318), (78, 368536), (84, 342212), (91, 315888), (104, 276402), (112, 256659), (156, 184268), (168, 171106), (182, 157944), (208, 138201), (273, 105296), (312, 92134), (336, 85553), (364, 78972), (546, 52648), (624, 46067), (728, 39486), (1092, 26324), (1456, 19743), (2184, 13162), (4368, 6581)]