263138512

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10631}}^1$

素因数の和:10676

約数の個数: 80

約数和(自身を含む): 664457472

約数和(自身を除く): 401318960

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 364, 442, 476, 728, 884, 952, 1456, 1547, 1768, 1904, 3094, 3536, 6188, 10631, 12376, 21262, 24752, 42524, 74417, 85048, 138203, 148834, 170096, 180727, 276406, 297668, 361454, 552812, 595336, 722908, 967421, 1105624, 1190672, 1265089, 1445816, 1934842, 2211248, 2349451, 2530178, 2891632, 3869684, 4698902, 5060356, 7739368, 9397804, 10120712, 15478736, 16446157, 18795608, 20241424, 32892314, 37591216, 65784628, 131569256, 263138512]

約数ペア:

[(1, 263138512), (2, 131569256), (4, 65784628), (7, 37591216), (8, 32892314), (13, 20241424), (14, 18795608), (16, 16446157), (17, 15478736), (26, 10120712), (28, 9397804), (34, 7739368), (52, 5060356), (56, 4698902), (68, 3869684), (91, 2891632), (104, 2530178), (112, 2349451), (119, 2211248), (136, 1934842), (182, 1445816), (208, 1265089), (221, 1190672), (238, 1105624), (272, 967421), (364, 722908), (442, 595336), (476, 552812), (728, 361454), (884, 297668), (952, 276406), (1456, 180727), (1547, 170096), (1768, 148834), (1904, 138203), (3094, 85048), (3536, 74417), (6188, 42524), (10631, 24752), (12376, 21262)]