216958212

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{3187}}^1$

素因数の和:3289

約数の個数: 72

約数和(自身を含む): 575574272

約数和(自身を除く): 358616060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 61, 62, 93, 122, 124, 183, 186, 244, 279, 366, 372, 549, 558, 732, 1098, 1116, 1891, 2196, 3187, 3782, 5673, 6374, 7564, 9561, 11346, 12748, 17019, 19122, 22692, 28683, 34038, 38244, 57366, 68076, 98797, 114732, 194407, 197594, 296391, 388814, 395188, 583221, 592782, 777628, 889173, 1166442, 1185564, 1749663, 1778346, 2332884, 3499326, 3556692, 6026617, 6998652, 12053234, 18079851, 24106468, 36159702, 54239553, 72319404, 108479106, 216958212]

約数ペア:

[(1, 216958212), (2, 108479106), (3, 72319404), (4, 54239553), (6, 36159702), (9, 24106468), (12, 18079851), (18, 12053234), (31, 6998652), (36, 6026617), (61, 3556692), (62, 3499326), (93, 2332884), (122, 1778346), (124, 1749663), (183, 1185564), (186, 1166442), (244, 889173), (279, 777628), (366, 592782), (372, 583221), (549, 395188), (558, 388814), (732, 296391), (1098, 197594), (1116, 194407), (1891, 114732), (2196, 98797), (3187, 68076), (3782, 57366), (5673, 38244), (6374, 34038), (7564, 28683), (9561, 22692), (11346, 19122), (12748, 17019)]