215321796

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{257}}^1$

素因数の和:358

約数の個数: 108

約数和(自身を含む): 594603828

約数和(自身を除く): 379282032

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 37, 51, 68, 74, 102, 111, 148, 153, 204, 222, 257, 306, 333, 444, 514, 612, 629, 666, 771, 1028, 1258, 1332, 1369, 1542, 1887, 2313, 2516, 2738, 3084, 3774, 4107, 4369, 4626, 5476, 5661, 7548, 8214, 8738, 9252, 9509, 11322, 12321, 13107, 16428, 17476, 19018, 22644, 23273, 24642, 26214, 28527, 38036, 39321, 46546, 49284, 52428, 57054, 69819, 78642, 85581, 93092, 114108, 139638, 157284, 161653, 171162, 209457, 279276, 323306, 342324, 351833, 418914, 484959, 646612, 703666, 837828, 969918, 1055499, 1407332, 1454877, 1939836, 2110998, 2909754, 3166497, 4221996, 5819508, 5981161, 6332994, 11962322, 12665988, 17943483, 23924644, 35886966, 53830449, 71773932, 107660898, 215321796]

約数ペア:

[(1, 215321796), (2, 107660898), (3, 71773932), (4, 53830449), (6, 35886966), (9, 23924644), (12, 17943483), (17, 12665988), (18, 11962322), (34, 6332994), (36, 5981161), (37, 5819508), (51, 4221996), (68, 3166497), (74, 2909754), (102, 2110998), (111, 1939836), (148, 1454877), (153, 1407332), (204, 1055499), (222, 969918), (257, 837828), (306, 703666), (333, 646612), (444, 484959), (514, 418914), (612, 351833), (629, 342324), (666, 323306), (771, 279276), (1028, 209457), (1258, 171162), (1332, 161653), (1369, 157284), (1542, 139638), (1887, 114108), (2313, 93092), (2516, 85581), (2738, 78642), (3084, 69819), (3774, 57054), (4107, 52428), (4369, 49284), (4626, 46546), (5476, 39321), (5661, 38036), (7548, 28527), (8214, 26214), (8738, 24642), (9252, 23273), (9509, 22644), (11322, 19018), (12321, 17476), (13107, 16428)]