28604196

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 108

約数和(自身を含む): 79881984

約数和(自身を除く): 51277788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 71, 76, 93, 114, 124, 142, 171, 186, 213, 228, 279, 284, 342, 361, 372, 426, 558, 589, 639, 684, 722, 852, 1083, 1116, 1178, 1278, 1349, 1444, 1767, 2166, 2201, 2356, 2556, 2698, 3249, 3534, 4047, 4332, 4402, 5301, 5396, 6498, 6603, 7068, 8094, 8804, 10602, 11191, 12141, 12996, 13206, 16188, 19809, 21204, 22382, 24282, 25631, 26412, 33573, 39618, 41819, 44764, 48564, 51262, 67146, 76893, 79236, 83638, 100719, 102524, 125457, 134292, 153786, 167276, 201438, 230679, 250914, 307572, 376371, 402876, 461358, 501828, 752742, 794561, 922716, 1505484, 1589122, 2383683, 3178244, 4767366, 7151049, 9534732, 14302098, 28604196]

約数ペア:

[(1, 28604196), (2, 14302098), (3, 9534732), (4, 7151049), (6, 4767366), (9, 3178244), (12, 2383683), (18, 1589122), (19, 1505484), (31, 922716), (36, 794561), (38, 752742), (57, 501828), (62, 461358), (71, 402876), (76, 376371), (93, 307572), (114, 250914), (124, 230679), (142, 201438), (171, 167276), (186, 153786), (213, 134292), (228, 125457), (279, 102524), (284, 100719), (342, 83638), (361, 79236), (372, 76893), (426, 67146), (558, 51262), (589, 48564), (639, 44764), (684, 41819), (722, 39618), (852, 33573), (1083, 26412), (1116, 25631), (1178, 24282), (1278, 22382), (1349, 21204), (1444, 19809), (1767, 16188), (2166, 13206), (2201, 12996), (2356, 12141), (2556, 11191), (2698, 10602), (3249, 8804), (3534, 8094), (4047, 7068), (4332, 6603), (4402, 6498), (5301, 5396)]