131776970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1791

約数の個数: 64

約数和(自身を含む): 277724160

約数和(自身を除く): 145947190

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 62, 65, 95, 130, 155, 190, 247, 310, 403, 494, 589, 806, 1178, 1235, 1721, 2015, 2470, 2945, 3442, 4030, 5890, 7657, 8605, 15314, 17210, 22373, 32699, 38285, 44746, 53351, 65398, 76570, 106702, 111865, 163495, 223730, 266755, 326990, 425087, 533510, 693563, 850174, 1013669, 1387126, 2027338, 2125435, 3467815, 4250870, 5068345, 6935630, 10136690, 13177697, 26355394, 65888485, 131776970]

約数ペア:

[(1, 131776970), (2, 65888485), (5, 26355394), (10, 13177697), (13, 10136690), (19, 6935630), (26, 5068345), (31, 4250870), (38, 3467815), (62, 2125435), (65, 2027338), (95, 1387126), (130, 1013669), (155, 850174), (190, 693563), (247, 533510), (310, 425087), (403, 326990), (494, 266755), (589, 223730), (806, 163495), (1178, 111865), (1235, 106702), (1721, 76570), (2015, 65398), (2470, 53351), (2945, 44746), (3442, 38285), (4030, 32699), (5890, 22373), (7657, 17210), (8605, 15314)]