12921376

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 27783000

約数和(自身を除く): 14861624

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 89, 104, 178, 208, 349, 356, 416, 698, 712, 1157, 1396, 1424, 2314, 2792, 2848, 4537, 4628, 5584, 9074, 9256, 11168, 18148, 18512, 31061, 36296, 37024, 62122, 72592, 124244, 145184, 248488, 403793, 496976, 807586, 993952, 1615172, 3230344, 6460688, 12921376]

約数ペア:

[(1, 12921376), (2, 6460688), (4, 3230344), (8, 1615172), (13, 993952), (16, 807586), (26, 496976), (32, 403793), (52, 248488), (89, 145184), (104, 124244), (178, 72592), (208, 62122), (349, 37024), (356, 36296), (416, 31061), (698, 18512), (712, 18148), (1157, 11168), (1396, 9256), (1424, 9074), (2314, 5584), (2792, 4628), (2848, 4537)]