287749126948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1\times {\mathrm{120721}}^1$

素因数の和:121220

約数の個数: 48

約数和(自身を含む): 538130387200

約数和(自身を除く): 250381260252

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 397, 794, 1501, 1588, 3002, 6004, 7543, 15086, 30172, 31363, 62726, 120721, 125452, 241442, 482884, 595897, 1191794, 2293699, 2383588, 4587398, 9174796, 9536959, 19073918, 38147836, 47926237, 95852474, 181202221, 191704948, 362404442, 724808884, 910598503, 1821197006, 3642394012, 3786172723, 7572345446, 15144690892, 71937281737, 143874563474, 287749126948]

約数ペア:

[(1, 287749126948), (2, 143874563474), (4, 71937281737), (19, 15144690892), (38, 7572345446), (76, 3786172723), (79, 3642394012), (158, 1821197006), (316, 910598503), (397, 724808884), (794, 362404442), (1501, 191704948), (1588, 181202221), (3002, 95852474), (6004, 47926237), (7543, 38147836), (15086, 19073918), (30172, 9536959), (31363, 9174796), (62726, 4587398), (120721, 2383588), (125452, 2293699), (241442, 1191794), (482884, 595897)]