196987516

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:767

約数の個数: 72

約数和(自身を含む): 412321280

約数和(自身を除く): 215333764

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 121, 124, 209, 242, 341, 418, 484, 589, 682, 691, 836, 1178, 1364, 1382, 2299, 2356, 2764, 3751, 4598, 6479, 7502, 7601, 9196, 12958, 13129, 15004, 15202, 21421, 25916, 26258, 30404, 42842, 52516, 71269, 83611, 85684, 142538, 144419, 167222, 235631, 285076, 288838, 334444, 406999, 471262, 577676, 813998, 942524, 1588609, 1627996, 2591941, 3177218, 4476989, 5183882, 6354436, 8953978, 10367764, 17907956, 49246879, 98493758, 196987516]

約数ペア:

[(1, 196987516), (2, 98493758), (4, 49246879), (11, 17907956), (19, 10367764), (22, 8953978), (31, 6354436), (38, 5183882), (44, 4476989), (62, 3177218), (76, 2591941), (121, 1627996), (124, 1588609), (209, 942524), (242, 813998), (341, 577676), (418, 471262), (484, 406999), (589, 334444), (682, 288838), (691, 285076), (836, 235631), (1178, 167222), (1364, 144419), (1382, 142538), (2299, 85684), (2356, 83611), (2764, 71269), (3751, 52516), (4598, 42842), (6479, 30404), (7502, 26258), (7601, 25916), (9196, 21421), (12958, 15202), (13129, 15004)]