861055504

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 1771315200

約数和(自身を除く): 910259696

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 149, 191, 244, 248, 298, 382, 488, 496, 596, 764, 976, 1192, 1528, 1891, 2384, 3056, 3782, 4619, 5921, 7564, 9089, 9238, 11651, 11842, 15128, 18178, 18476, 23302, 23684, 28459, 30256, 36356, 36952, 46604, 47368, 56918, 72712, 73904, 93208, 94736, 113836, 145424, 186416, 227672, 281759, 361181, 455344, 563518, 722362, 882229, 1127036, 1444724, 1735999, 1764458, 2254072, 2889448, 3471998, 3528916, 4508144, 5778896, 6943996, 7057832, 13887992, 14115664, 27775984, 53815969, 107631938, 215263876, 430527752, 861055504]

約数ペア:

[(1, 861055504), (2, 430527752), (4, 215263876), (8, 107631938), (16, 53815969), (31, 27775984), (61, 14115664), (62, 13887992), (122, 7057832), (124, 6943996), (149, 5778896), (191, 4508144), (244, 3528916), (248, 3471998), (298, 2889448), (382, 2254072), (488, 1764458), (496, 1735999), (596, 1444724), (764, 1127036), (976, 882229), (1192, 722362), (1528, 563518), (1891, 455344), (2384, 361181), (3056, 281759), (3782, 227672), (4619, 186416), (5921, 145424), (7564, 113836), (9089, 94736), (9238, 93208), (11651, 73904), (11842, 72712), (15128, 56918), (18178, 47368), (18476, 46604), (23302, 36952), (23684, 36356), (28459, 30256)]