81606506176

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{71647}}^1$

素因数の和:71746

約数の個数: 84

約数和(自身を含む): 179237932608

約数和(自身を除く): 97631426432

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 148, 208, 296, 416, 481, 592, 832, 962, 1184, 1369, 1924, 2368, 2738, 3848, 5476, 7696, 10952, 15392, 17797, 21904, 30784, 35594, 43808, 71188, 71647, 87616, 142376, 143294, 284752, 286588, 569504, 573176, 931411, 1139008, 1146352, 1862822, 2292704, 2650939, 3725644, 4585408, 5301878, 7451288, 10603756, 14902576, 21207512, 29805152, 34462207, 42415024, 59610304, 68924414, 84830048, 98084743, 137848828, 169660096, 196169486, 275697656, 392338972, 551395312, 784677944, 1102790624, 1275101659, 1569355888, 2205581248, 2550203318, 3138711776, 5100406636, 6277423552, 10200813272, 20401626544, 40803253088, 81606506176]

約数ペア:

[(1, 81606506176), (2, 40803253088), (4, 20401626544), (8, 10200813272), (13, 6277423552), (16, 5100406636), (26, 3138711776), (32, 2550203318), (37, 2205581248), (52, 1569355888), (64, 1275101659), (74, 1102790624), (104, 784677944), (148, 551395312), (208, 392338972), (296, 275697656), (416, 196169486), (481, 169660096), (592, 137848828), (832, 98084743), (962, 84830048), (1184, 68924414), (1369, 59610304), (1924, 42415024), (2368, 34462207), (2738, 29805152), (3848, 21207512), (5476, 14902576), (7696, 10603756), (10952, 7451288), (15392, 5301878), (17797, 4585408), (21904, 3725644), (30784, 2650939), (35594, 2292704), (43808, 1862822), (71188, 1146352), (71647, 1139008), (87616, 931411), (142376, 573176), (143294, 569504), (284752, 286588)]