123428968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 256838400

約数和(自身を除く): 133409432

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 83, 104, 158, 166, 181, 316, 332, 362, 632, 664, 724, 1027, 1079, 1448, 2054, 2158, 2353, 4108, 4316, 4706, 6557, 8216, 8632, 9412, 13114, 14299, 15023, 18824, 26228, 28598, 30046, 52456, 57196, 60092, 85241, 114392, 120184, 170482, 185887, 195299, 340964, 371774, 390598, 681928, 743548, 781196, 1186817, 1487096, 1562392, 2373634, 4747268, 9494536, 15428621, 30857242, 61714484, 123428968]

約数ペア:

[(1, 123428968), (2, 61714484), (4, 30857242), (8, 15428621), (13, 9494536), (26, 4747268), (52, 2373634), (79, 1562392), (83, 1487096), (104, 1186817), (158, 781196), (166, 743548), (181, 681928), (316, 390598), (332, 371774), (362, 340964), (632, 195299), (664, 185887), (724, 170482), (1027, 120184), (1079, 114392), (1448, 85241), (2054, 60092), (2158, 57196), (2353, 52456), (4108, 30046), (4316, 28598), (4706, 26228), (6557, 18824), (8216, 15023), (8632, 14299), (9412, 13114)]