163996976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{313}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 376121760

約数和(自身を除く): 212124784

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 229, 286, 313, 458, 572, 626, 916, 1144, 1252, 1832, 2288, 2504, 2519, 2977, 3443, 3664, 4069, 5008, 5038, 5954, 6886, 8138, 10076, 11908, 13772, 16276, 20152, 23816, 27544, 32552, 32747, 40304, 44759, 47632, 55088, 65104, 65494, 71677, 89518, 130988, 143354, 179036, 261976, 286708, 358072, 523952, 573416, 716144, 788447, 931801, 1146832, 1576894, 1863602, 3153788, 3727204, 6307576, 7454408, 10249811, 12615152, 14908816, 20499622, 40999244, 81998488, 163996976]

約数ペア:

[(1, 163996976), (2, 81998488), (4, 40999244), (8, 20499622), (11, 14908816), (13, 12615152), (16, 10249811), (22, 7454408), (26, 6307576), (44, 3727204), (52, 3153788), (88, 1863602), (104, 1576894), (143, 1146832), (176, 931801), (208, 788447), (229, 716144), (286, 573416), (313, 523952), (458, 358072), (572, 286708), (626, 261976), (916, 179036), (1144, 143354), (1252, 130988), (1832, 89518), (2288, 71677), (2504, 65494), (2519, 65104), (2977, 55088), (3443, 47632), (3664, 44759), (4069, 40304), (5008, 32747), (5038, 32552), (5954, 27544), (6886, 23816), (8138, 20152), (10076, 16276), (11908, 13772)]