319762768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 696955392

約数和(自身を除く): 377192624

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 101, 104, 124, 202, 208, 248, 403, 404, 491, 496, 806, 808, 982, 1313, 1612, 1616, 1964, 2626, 3131, 3224, 3928, 5252, 6262, 6383, 6448, 7856, 10504, 12524, 12766, 15221, 21008, 25048, 25532, 30442, 40703, 49591, 50096, 51064, 60884, 81406, 99182, 102128, 121768, 162812, 197873, 198364, 243536, 325624, 395746, 396728, 644683, 651248, 791492, 793456, 1289366, 1537321, 1582984, 2578732, 3074642, 3165968, 5157464, 6149284, 10314928, 12298568, 19985173, 24597136, 39970346, 79940692, 159881384, 319762768]

約数ペア:

[(1, 319762768), (2, 159881384), (4, 79940692), (8, 39970346), (13, 24597136), (16, 19985173), (26, 12298568), (31, 10314928), (52, 6149284), (62, 5157464), (101, 3165968), (104, 3074642), (124, 2578732), (202, 1582984), (208, 1537321), (248, 1289366), (403, 793456), (404, 791492), (491, 651248), (496, 644683), (806, 396728), (808, 395746), (982, 325624), (1313, 243536), (1612, 198364), (1616, 197873), (1964, 162812), (2626, 121768), (3131, 102128), (3224, 99182), (3928, 81406), (5252, 60884), (6262, 51064), (6383, 50096), (6448, 49591), (7856, 40703), (10504, 30442), (12524, 25532), (12766, 25048), (15221, 21008)]