1644365087248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{971}}^1\times {\mathrm{80611}}^1$

素因数の和:81704

約数の個数: 80

約数和(自身を含む): 3468613119552

約数和(自身を除く): 1824248032304

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 971, 1313, 1616, 1942, 2626, 3884, 5252, 7768, 10504, 12623, 15536, 21008, 25246, 50492, 80611, 98071, 100984, 161222, 196142, 201968, 322444, 392284, 644888, 784568, 1047943, 1274923, 1289776, 1569136, 2095886, 2549846, 4191772, 5099692, 8141711, 8383544, 10199384, 16283422, 16767088, 20398768, 32566844, 65133688, 78273281, 105842243, 130267376, 156546562, 211684486, 313093124, 423368972, 626186248, 846737944, 1017552653, 1252372496, 1693475888, 2035105306, 4070210612, 7905601381, 8140421224, 15811202762, 16280842448, 31622405524, 63244811048, 102772817953, 126489622096, 205545635906, 411091271812, 822182543624, 1644365087248]

約数ペア:

[(1, 1644365087248), (2, 822182543624), (4, 411091271812), (8, 205545635906), (13, 126489622096), (16, 102772817953), (26, 63244811048), (52, 31622405524), (101, 16280842448), (104, 15811202762), (202, 8140421224), (208, 7905601381), (404, 4070210612), (808, 2035105306), (971, 1693475888), (1313, 1252372496), (1616, 1017552653), (1942, 846737944), (2626, 626186248), (3884, 423368972), (5252, 313093124), (7768, 211684486), (10504, 156546562), (12623, 130267376), (15536, 105842243), (21008, 78273281), (25246, 65133688), (50492, 32566844), (80611, 20398768), (98071, 16767088), (100984, 16283422), (161222, 10199384), (196142, 8383544), (201968, 8141711), (322444, 5099692), (392284, 4191772), (644888, 2549846), (784568, 2095886), (1047943, 1569136), (1274923, 1289776)]