1994201734

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 3659673600

約数和(自身を除く): 1665471866

約数列:

[1, 2, 7, 14, 19, 38, 131, 133, 151, 262, 266, 302, 379, 758, 917, 1057, 1834, 2114, 2489, 2653, 2869, 4978, 5306, 5738, 7201, 14402, 17423, 19781, 20083, 34846, 39562, 40166, 49649, 50407, 57229, 99298, 100814, 114458, 138467, 276934, 347543, 375839, 400603, 695086, 751678, 801206, 943331, 1087351, 1886662, 2174702, 2630873, 5261746, 6603317, 7496999, 7611457, 13206634, 14993998, 15222914, 52478993, 104957986, 142442981, 284885962, 997100867, 1994201734]

約数ペア:

[(1, 1994201734), (2, 997100867), (7, 284885962), (14, 142442981), (19, 104957986), (38, 52478993), (131, 15222914), (133, 14993998), (151, 13206634), (262, 7611457), (266, 7496999), (302, 6603317), (379, 5261746), (758, 2630873), (917, 2174702), (1057, 1886662), (1834, 1087351), (2114, 943331), (2489, 801206), (2653, 751678), (2869, 695086), (4978, 400603), (5306, 375839), (5738, 347543), (7201, 276934), (14402, 138467), (17423, 114458), (19781, 100814), (20083, 99298), (34846, 57229), (39562, 50407), (40166, 49649)]