172173170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:779

約数の個数: 64

約数和(自身を含む): 352719360

約数和(自身を除く): 180546190

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 89, 115, 130, 178, 230, 299, 445, 598, 647, 890, 1157, 1294, 1495, 2047, 2314, 2990, 3235, 4094, 5785, 6470, 8411, 10235, 11570, 14881, 16822, 20470, 26611, 29762, 42055, 53222, 57583, 74405, 84110, 115166, 133055, 148810, 193453, 266110, 287915, 386906, 575830, 748579, 967265, 1324409, 1497158, 1934530, 2648818, 3742895, 6622045, 7485790, 13244090, 17217317, 34434634, 86086585, 172173170]

約数ペア:

[(1, 172173170), (2, 86086585), (5, 34434634), (10, 17217317), (13, 13244090), (23, 7485790), (26, 6622045), (46, 3742895), (65, 2648818), (89, 1934530), (115, 1497158), (130, 1324409), (178, 967265), (230, 748579), (299, 575830), (445, 386906), (598, 287915), (647, 266110), (890, 193453), (1157, 148810), (1294, 133055), (1495, 115166), (2047, 84110), (2314, 74405), (2990, 57583), (3235, 53222), (4094, 42055), (5785, 29762), (6470, 26611), (8411, 20470), (10235, 16822), (11570, 14881)]