421138276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 806275008

約数和(自身を除く): 385136732

約数列:

[1, 2, 4, 13, 26, 52, 131, 211, 262, 293, 422, 524, 586, 844, 1172, 1703, 2743, 3406, 3809, 5486, 6812, 7618, 10972, 15236, 27641, 38383, 55282, 61823, 76766, 110564, 123646, 153532, 247292, 359333, 498979, 718666, 803699, 997958, 1437332, 1607398, 1995916, 3214796, 8098813, 16197626, 32395252, 105284569, 210569138, 421138276]

約数ペア:

[(1, 421138276), (2, 210569138), (4, 105284569), (13, 32395252), (26, 16197626), (52, 8098813), (131, 3214796), (211, 1995916), (262, 1607398), (293, 1437332), (422, 997958), (524, 803699), (586, 718666), (844, 498979), (1172, 359333), (1703, 247292), (2743, 153532), (3406, 123646), (3809, 110564), (5486, 76766), (6812, 61823), (7618, 55282), (10972, 38383), (15236, 27641)]