221293996

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 524339200

約数和(自身を除く): 303045204

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 43, 44, 49, 62, 77, 86, 98, 121, 124, 154, 172, 196, 217, 242, 301, 308, 341, 343, 434, 473, 484, 539, 602, 682, 686, 847, 868, 946, 1078, 1204, 1333, 1364, 1372, 1519, 1694, 1892, 2107, 2156, 2387, 2666, 3038, 3311, 3388, 3751, 3773, 4214, 4774, 5203, 5332, 5929, 6076, 6622, 7502, 7546, 8428, 9331, 9548, 10406, 10633, 11858, 13244, 14663, 14749, 15004, 15092, 16709, 18662, 20812, 21266, 23177, 23716, 26257, 29326, 29498, 33418, 36421, 37324, 41503, 42532, 46354, 52514, 58652, 58996, 65317, 66836, 72842, 83006, 92708, 102641, 105028, 116963, 130634, 145684, 161293, 162239, 166012, 183799, 205282, 233926, 254947, 261268, 322586, 324478, 367598, 410564, 457219, 467852, 509894, 645172, 648956, 718487, 735196, 914438, 1019788, 1129051, 1286593, 1436974, 1784629, 1828876, 2258102, 2573186, 2873948, 3569258, 4516204, 5029409, 5146372, 7138516, 7903357, 10058818, 15806714, 20117636, 31613428, 55323499, 110646998, 221293996]

約数ペア:

[(1, 221293996), (2, 110646998), (4, 55323499), (7, 31613428), (11, 20117636), (14, 15806714), (22, 10058818), (28, 7903357), (31, 7138516), (43, 5146372), (44, 5029409), (49, 4516204), (62, 3569258), (77, 2873948), (86, 2573186), (98, 2258102), (121, 1828876), (124, 1784629), (154, 1436974), (172, 1286593), (196, 1129051), (217, 1019788), (242, 914438), (301, 735196), (308, 718487), (341, 648956), (343, 645172), (434, 509894), (473, 467852), (484, 457219), (539, 410564), (602, 367598), (682, 324478), (686, 322586), (847, 261268), (868, 254947), (946, 233926), (1078, 205282), (1204, 183799), (1333, 166012), (1364, 162239), (1372, 161293), (1519, 145684), (1694, 130634), (1892, 116963), (2107, 105028), (2156, 102641), (2387, 92708), (2666, 83006), (3038, 72842), (3311, 66836), (3388, 65317), (3751, 58996), (3773, 58652), (4214, 52514), (4774, 46354), (5203, 42532), (5332, 41503), (5929, 37324), (6076, 36421), (6622, 33418), (7502, 29498), (7546, 29326), (8428, 26257), (9331, 23716), (9548, 23177), (10406, 21266), (10633, 20812), (11858, 18662), (13244, 16709), (14663, 15092), (14749, 15004)]