15691218907

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:704

約数の個数: 64

約数和(自身を含む): 20494172160

約数和(自身を除く): 4802953253

約数列:

[1, 7, 13, 23, 91, 131, 151, 161, 299, 379, 917, 1057, 1703, 1963, 2093, 2653, 3013, 3473, 4927, 8717, 11921, 13741, 19781, 21091, 24311, 34489, 39169, 45149, 49649, 57229, 61019, 113321, 138467, 257153, 274183, 316043, 347543, 400603, 454963, 645437, 743977, 793247, 1141927, 1316267, 1800071, 3184741, 4518059, 5207839, 5914519, 7496999, 7993489, 9213869, 14845051, 17111471, 41401633, 52478993, 97460987, 103915357, 119780297, 172430977, 682226909, 1207016839, 2241602701, 15691218907]

約数ペア:

[(1, 15691218907), (7, 2241602701), (13, 1207016839), (23, 682226909), (91, 172430977), (131, 119780297), (151, 103915357), (161, 97460987), (299, 52478993), (379, 41401633), (917, 17111471), (1057, 14845051), (1703, 9213869), (1963, 7993489), (2093, 7496999), (2653, 5914519), (3013, 5207839), (3473, 4518059), (4927, 3184741), (8717, 1800071), (11921, 1316267), (13741, 1141927), (19781, 793247), (21091, 743977), (24311, 645437), (34489, 454963), (39169, 400603), (45149, 347543), (49649, 316043), (57229, 274183), (61019, 257153), (113321, 138467)]