28753788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:719

約数の個数: 72

約数和(自身を含む): 79161600

約数和(自身を除く): 50407812

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 79, 84, 98, 147, 158, 196, 237, 294, 316, 474, 553, 588, 619, 948, 1106, 1238, 1659, 1857, 2212, 2476, 3318, 3714, 3871, 4333, 6636, 7428, 7742, 8666, 11613, 12999, 15484, 17332, 23226, 25998, 30331, 46452, 48901, 51996, 60662, 90993, 97802, 121324, 146703, 181986, 195604, 293406, 342307, 363972, 586812, 684614, 1026921, 1369228, 2053842, 2396149, 4107684, 4792298, 7188447, 9584596, 14376894, 28753788]

約数ペア:

[(1, 28753788), (2, 14376894), (3, 9584596), (4, 7188447), (6, 4792298), (7, 4107684), (12, 2396149), (14, 2053842), (21, 1369228), (28, 1026921), (42, 684614), (49, 586812), (79, 363972), (84, 342307), (98, 293406), (147, 195604), (158, 181986), (196, 146703), (237, 121324), (294, 97802), (316, 90993), (474, 60662), (553, 51996), (588, 48901), (619, 46452), (948, 30331), (1106, 25998), (1238, 23226), (1659, 17332), (1857, 15484), (2212, 12999), (2476, 11613), (3318, 8666), (3714, 7742), (3871, 7428), (4333, 6636)]