71278090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 145297152

約数和(自身を除く): 74019062

約数列:

[1, 2, 5, 10, 13, 26, 41, 43, 65, 82, 86, 130, 205, 215, 311, 410, 430, 533, 559, 622, 1066, 1118, 1555, 1763, 2665, 2795, 3110, 3526, 4043, 5330, 5590, 8086, 8815, 12751, 13373, 17630, 20215, 22919, 25502, 26746, 40430, 45838, 63755, 66865, 114595, 127510, 133730, 165763, 173849, 229190, 331526, 347698, 548293, 828815, 869245, 1096586, 1657630, 1738490, 2741465, 5482930, 7127809, 14255618, 35639045, 71278090]

約数ペア:

[(1, 71278090), (2, 35639045), (5, 14255618), (10, 7127809), (13, 5482930), (26, 2741465), (41, 1738490), (43, 1657630), (65, 1096586), (82, 869245), (86, 828815), (130, 548293), (205, 347698), (215, 331526), (311, 229190), (410, 173849), (430, 165763), (533, 133730), (559, 127510), (622, 114595), (1066, 66865), (1118, 63755), (1555, 45838), (1763, 40430), (2665, 26746), (2795, 25502), (3110, 22919), (3526, 20215), (4043, 17630), (5330, 13373), (5590, 12751), (8086, 8815)]