1279703312

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{677}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 2658020352

約数和(自身を除く): 1378317040

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 103, 124, 148, 206, 248, 296, 412, 496, 592, 677, 824, 1147, 1354, 1648, 2294, 2708, 3193, 3811, 4588, 5416, 6386, 7622, 9176, 10832, 12772, 15244, 18352, 20987, 25049, 25544, 30488, 41974, 50098, 51088, 60976, 69731, 83948, 100196, 118141, 139462, 167896, 200392, 236282, 278924, 335792, 400784, 472564, 557848, 776519, 945128, 1115696, 1553038, 1890256, 2161661, 2580047, 3106076, 4323322, 5160094, 6212152, 8646644, 10320188, 12424304, 17293288, 20640376, 34586576, 41280752, 79981457, 159962914, 319925828, 639851656, 1279703312]

約数ペア:

[(1, 1279703312), (2, 639851656), (4, 319925828), (8, 159962914), (16, 79981457), (31, 41280752), (37, 34586576), (62, 20640376), (74, 17293288), (103, 12424304), (124, 10320188), (148, 8646644), (206, 6212152), (248, 5160094), (296, 4323322), (412, 3106076), (496, 2580047), (592, 2161661), (677, 1890256), (824, 1553038), (1147, 1115696), (1354, 945128), (1648, 776519), (2294, 557848), (2708, 472564), (3193, 400784), (3811, 335792), (4588, 278924), (5416, 236282), (6386, 200392), (7622, 167896), (9176, 139462), (10832, 118141), (12772, 100196), (15244, 83948), (18352, 69731), (20987, 60976), (25049, 51088), (25544, 50098), (30488, 41974)]