78381992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39667}}^1$

素因数の和:39705

約数の個数: 32

約数和(自身を含む): 166605600

約数和(自身を除く): 88223608

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 39667, 79334, 158668, 317336, 515671, 753673, 1031342, 1507346, 2062684, 3014692, 4125368, 6029384, 9797749, 19595498, 39190996, 78381992]

約数ペア:

[(1, 78381992), (2, 39190996), (4, 19595498), (8, 9797749), (13, 6029384), (19, 4125368), (26, 3014692), (38, 2062684), (52, 1507346), (76, 1031342), (104, 753673), (152, 515671), (247, 317336), (494, 158668), (988, 79334), (1976, 39667)]