28900248

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 78355200

約数和(自身を除く): 49454952

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 211, 312, 422, 439, 633, 844, 878, 1266, 1317, 1688, 1756, 2532, 2634, 2743, 3512, 5064, 5268, 5486, 5707, 8229, 10536, 10972, 11414, 16458, 17121, 21944, 22828, 32916, 34242, 45656, 65832, 68484, 92629, 136968, 185258, 277887, 370516, 555774, 741032, 1111548, 1204177, 2223096, 2408354, 3612531, 4816708, 7225062, 9633416, 14450124, 28900248]

約数ペア:

[(1, 28900248), (2, 14450124), (3, 9633416), (4, 7225062), (6, 4816708), (8, 3612531), (12, 2408354), (13, 2223096), (24, 1204177), (26, 1111548), (39, 741032), (52, 555774), (78, 370516), (104, 277887), (156, 185258), (211, 136968), (312, 92629), (422, 68484), (439, 65832), (633, 45656), (844, 34242), (878, 32916), (1266, 22828), (1317, 21944), (1688, 17121), (1756, 16458), (2532, 11414), (2634, 10972), (2743, 10536), (3512, 8229), (5064, 5707), (5268, 5486)]