16972884

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 44684640

約数和(自身を除く): 27711756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 61, 118, 122, 131, 177, 183, 236, 244, 262, 354, 366, 393, 524, 531, 549, 708, 732, 786, 1062, 1098, 1179, 1572, 2124, 2196, 2358, 3599, 4716, 7198, 7729, 7991, 10797, 14396, 15458, 15982, 21594, 23187, 23973, 30916, 31964, 32391, 43188, 46374, 47946, 64782, 69561, 71919, 92748, 95892, 129564, 139122, 143838, 278244, 287676, 471469, 942938, 1414407, 1885876, 2828814, 4243221, 5657628, 8486442, 16972884]

約数ペア:

[(1, 16972884), (2, 8486442), (3, 5657628), (4, 4243221), (6, 2828814), (9, 1885876), (12, 1414407), (18, 942938), (36, 471469), (59, 287676), (61, 278244), (118, 143838), (122, 139122), (131, 129564), (177, 95892), (183, 92748), (236, 71919), (244, 69561), (262, 64782), (354, 47946), (366, 46374), (393, 43188), (524, 32391), (531, 31964), (549, 30916), (708, 23973), (732, 23187), (786, 21594), (1062, 15982), (1098, 15458), (1179, 14396), (1572, 10797), (2124, 7991), (2196, 7729), (2358, 7198), (3599, 4716)]