123581172

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{6547}}^1$

素因数の和:6589

約数の個数: 72

約数和(自身を含む): 341386528

約数和(自身を除く): 217805356

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 121, 132, 143, 156, 242, 286, 363, 429, 484, 572, 726, 858, 1452, 1573, 1716, 3146, 4719, 6292, 6547, 9438, 13094, 18876, 19641, 26188, 39282, 72017, 78564, 85111, 144034, 170222, 216051, 255333, 288068, 340444, 432102, 510666, 792187, 864204, 936221, 1021332, 1584374, 1872442, 2376561, 2808663, 3168748, 3744884, 4753122, 5617326, 9506244, 10298431, 11234652, 20596862, 30895293, 41193724, 61790586, 123581172]

約数ペア:

[(1, 123581172), (2, 61790586), (3, 41193724), (4, 30895293), (6, 20596862), (11, 11234652), (12, 10298431), (13, 9506244), (22, 5617326), (26, 4753122), (33, 3744884), (39, 3168748), (44, 2808663), (52, 2376561), (66, 1872442), (78, 1584374), (121, 1021332), (132, 936221), (143, 864204), (156, 792187), (242, 510666), (286, 432102), (363, 340444), (429, 288068), (484, 255333), (572, 216051), (726, 170222), (858, 144034), (1452, 85111), (1573, 78564), (1716, 72017), (3146, 39282), (4719, 26188), (6292, 19641), (6547, 18876), (9438, 13094)]