408448976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 879318720

約数和(自身を除く): 470869744

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 83, 104, 118, 166, 208, 236, 332, 401, 472, 664, 767, 802, 944, 1079, 1328, 1534, 1604, 2158, 3068, 3208, 4316, 4897, 5213, 6136, 6416, 8632, 9794, 10426, 12272, 17264, 19588, 20852, 23659, 33283, 39176, 41704, 47318, 63661, 66566, 78352, 83408, 94636, 127322, 133132, 189272, 254644, 266264, 307567, 378544, 432679, 509288, 532528, 615134, 865358, 1018576, 1230268, 1730716, 1963697, 2460536, 3461432, 3927394, 4921072, 6922864, 7854788, 15709576, 25528061, 31419152, 51056122, 102112244, 204224488, 408448976]

約数ペア:

[(1, 408448976), (2, 204224488), (4, 102112244), (8, 51056122), (13, 31419152), (16, 25528061), (26, 15709576), (52, 7854788), (59, 6922864), (83, 4921072), (104, 3927394), (118, 3461432), (166, 2460536), (208, 1963697), (236, 1730716), (332, 1230268), (401, 1018576), (472, 865358), (664, 615134), (767, 532528), (802, 509288), (944, 432679), (1079, 378544), (1328, 307567), (1534, 266264), (1604, 254644), (2158, 189272), (3068, 133132), (3208, 127322), (4316, 94636), (4897, 83408), (5213, 78352), (6136, 66566), (6416, 63661), (8632, 47318), (9794, 41704), (10426, 39176), (12272, 33283), (17264, 23659), (19588, 20852)]