638973764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2857}}^1$

素因数の和:2925

約数の個数: 96

約数和(自身を含む): 1451955456

約数和(自身を除く): 812981692

約数列:

[1, 2, 4, 11, 13, 17, 22, 23, 26, 34, 44, 46, 52, 68, 92, 143, 187, 221, 253, 286, 299, 374, 391, 442, 506, 572, 598, 748, 782, 884, 1012, 1196, 1564, 2431, 2857, 3289, 4301, 4862, 5083, 5714, 6578, 8602, 9724, 10166, 11428, 13156, 17204, 20332, 31427, 37141, 48569, 55913, 62854, 65711, 74282, 97138, 111826, 125708, 131422, 148564, 194276, 223652, 262844, 408551, 534259, 631397, 722821, 817102, 854243, 1068518, 1117087, 1262794, 1445642, 1634204, 1708486, 2137036, 2234174, 2525588, 2891284, 3416972, 4468348, 6945367, 9396673, 12287957, 13890734, 14522131, 18793346, 24575914, 27781468, 29044262, 37586692, 49151828, 58088524, 159743441, 319486882, 638973764]

約数ペア:

[(1, 638973764), (2, 319486882), (4, 159743441), (11, 58088524), (13, 49151828), (17, 37586692), (22, 29044262), (23, 27781468), (26, 24575914), (34, 18793346), (44, 14522131), (46, 13890734), (52, 12287957), (68, 9396673), (92, 6945367), (143, 4468348), (187, 3416972), (221, 2891284), (253, 2525588), (286, 2234174), (299, 2137036), (374, 1708486), (391, 1634204), (442, 1445642), (506, 1262794), (572, 1117087), (598, 1068518), (748, 854243), (782, 817102), (884, 722821), (1012, 631397), (1196, 534259), (1564, 408551), (2431, 262844), (2857, 223652), (3289, 194276), (4301, 148564), (4862, 131422), (5083, 125708), (5714, 111826), (6578, 97138), (8602, 74282), (9724, 65711), (10166, 62854), (11428, 55913), (13156, 48569), (17204, 37141), (20332, 31427)]