28731144

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1390

約数の個数: 64

約数和(自身を含む): 78503040

約数和(自身を除く): 49771896

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 71, 78, 104, 142, 156, 213, 284, 312, 426, 568, 852, 923, 1297, 1704, 1846, 2594, 2769, 3692, 3891, 5188, 5538, 7384, 7782, 10376, 11076, 15564, 16861, 22152, 31128, 33722, 50583, 67444, 92087, 101166, 134888, 184174, 202332, 276261, 368348, 404664, 552522, 736696, 1105044, 1197131, 2210088, 2394262, 3591393, 4788524, 7182786, 9577048, 14365572, 28731144]

約数ペア:

[(1, 28731144), (2, 14365572), (3, 9577048), (4, 7182786), (6, 4788524), (8, 3591393), (12, 2394262), (13, 2210088), (24, 1197131), (26, 1105044), (39, 736696), (52, 552522), (71, 404664), (78, 368348), (104, 276261), (142, 202332), (156, 184174), (213, 134888), (284, 101166), (312, 92087), (426, 67444), (568, 50583), (852, 33722), (923, 31128), (1297, 22152), (1704, 16861), (1846, 15564), (2594, 11076), (2769, 10376), (3692, 7782), (3891, 7384), (5188, 5538)]