287388728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 605145600

約数和(自身を除く): 317756872

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 79, 88, 134, 158, 268, 316, 536, 617, 632, 737, 869, 1234, 1474, 1738, 2468, 2948, 3476, 4936, 5293, 5896, 6787, 6952, 10586, 13574, 21172, 27148, 41339, 42344, 48743, 54296, 58223, 82678, 97486, 116446, 165356, 194972, 232892, 330712, 389944, 454729, 465784, 536173, 909458, 1072346, 1818916, 2144692, 3265781, 3637832, 4289384, 6531562, 13063124, 26126248, 35923591, 71847182, 143694364, 287388728]

約数ペア:

[(1, 287388728), (2, 143694364), (4, 71847182), (8, 35923591), (11, 26126248), (22, 13063124), (44, 6531562), (67, 4289384), (79, 3637832), (88, 3265781), (134, 2144692), (158, 1818916), (268, 1072346), (316, 909458), (536, 536173), (617, 465784), (632, 454729), (737, 389944), (869, 330712), (1234, 232892), (1474, 194972), (1738, 165356), (2468, 116446), (2948, 97486), (3476, 82678), (4936, 58223), (5293, 54296), (5896, 48743), (6787, 42344), (6952, 41339), (10586, 27148), (13574, 21172)]