1639757988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{217937}}^1$

素因数の和:217977

約数の個数: 72

約数和(自身を含む): 4759765920

約数和(自身を除く): 3120007932

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 627, 684, 836, 1254, 1881, 2508, 3762, 7524, 217937, 435874, 653811, 871748, 1307622, 1961433, 2397307, 2615244, 3922866, 4140803, 4794614, 7191921, 7845732, 8281606, 9589228, 12422409, 14383842, 16563212, 21575763, 24844818, 28767684, 37267227, 43151526, 45548833, 49689636, 74534454, 86303052, 91097666, 136646499, 149068908, 182195332, 273292998, 409939497, 546585996, 819878994, 1639757988]

約数ペア:

[(1, 1639757988), (2, 819878994), (3, 546585996), (4, 409939497), (6, 273292998), (9, 182195332), (11, 149068908), (12, 136646499), (18, 91097666), (19, 86303052), (22, 74534454), (33, 49689636), (36, 45548833), (38, 43151526), (44, 37267227), (57, 28767684), (66, 24844818), (76, 21575763), (99, 16563212), (114, 14383842), (132, 12422409), (171, 9589228), (198, 8281606), (209, 7845732), (228, 7191921), (342, 4794614), (396, 4140803), (418, 3922866), (627, 2615244), (684, 2397307), (836, 1961433), (1254, 1307622), (1881, 871748), (2508, 653811), (3762, 435874), (7524, 217937)]