28709226

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1031}}^1$

素因数の和:1076

約数の個数: 96

約数和(自身を含む): 81139968

約数和(自身を除く): 52430742

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 51, 63, 78, 91, 102, 117, 119, 126, 153, 182, 221, 234, 238, 273, 306, 357, 442, 546, 663, 714, 819, 1031, 1071, 1326, 1547, 1638, 1989, 2062, 2142, 3093, 3094, 3978, 4641, 6186, 7217, 9279, 9282, 13403, 13923, 14434, 17527, 18558, 21651, 26806, 27846, 35054, 40209, 43302, 52581, 64953, 80418, 93821, 105162, 120627, 122689, 129906, 157743, 187642, 227851, 241254, 245378, 281463, 315486, 368067, 455702, 562926, 683553, 736134, 844389, 1104201, 1367106, 1594957, 1688778, 2050659, 2208402, 3189914, 4101318, 4784871, 9569742, 14354613, 28709226]

約数ペア:

[(1, 28709226), (2, 14354613), (3, 9569742), (6, 4784871), (7, 4101318), (9, 3189914), (13, 2208402), (14, 2050659), (17, 1688778), (18, 1594957), (21, 1367106), (26, 1104201), (34, 844389), (39, 736134), (42, 683553), (51, 562926), (63, 455702), (78, 368067), (91, 315486), (102, 281463), (117, 245378), (119, 241254), (126, 227851), (153, 187642), (182, 157743), (221, 129906), (234, 122689), (238, 120627), (273, 105162), (306, 93821), (357, 80418), (442, 64953), (546, 52581), (663, 43302), (714, 40209), (819, 35054), (1031, 27846), (1071, 26806), (1326, 21651), (1547, 18558), (1638, 17527), (1989, 14434), (2062, 13923), (2142, 13403), (3093, 9282), (3094, 9279), (3978, 7217), (4641, 6186)]