1491501388

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 2950112256

約数和(自身を除く): 1458610868

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 103, 124, 169, 206, 338, 403, 412, 676, 691, 806, 1339, 1382, 1612, 2678, 2764, 3193, 5239, 5356, 6386, 8983, 10478, 12772, 17407, 17966, 20956, 21421, 34814, 35932, 41509, 42842, 69628, 71173, 83018, 85684, 116779, 142346, 166036, 233558, 278473, 284692, 467116, 539617, 556946, 925249, 1079234, 1113892, 1850498, 2158468, 2206363, 3620149, 3700996, 4412726, 7240298, 8825452, 12028237, 14480596, 24056474, 28682719, 48112948, 57365438, 114730876, 372875347, 745750694, 1491501388]

約数ペア:

[(1, 1491501388), (2, 745750694), (4, 372875347), (13, 114730876), (26, 57365438), (31, 48112948), (52, 28682719), (62, 24056474), (103, 14480596), (124, 12028237), (169, 8825452), (206, 7240298), (338, 4412726), (403, 3700996), (412, 3620149), (676, 2206363), (691, 2158468), (806, 1850498), (1339, 1113892), (1382, 1079234), (1612, 925249), (2678, 556946), (2764, 539617), (3193, 467116), (5239, 284692), (5356, 278473), (6386, 233558), (8983, 166036), (10478, 142346), (12772, 116779), (17407, 85684), (17966, 83018), (20956, 71173), (21421, 69628), (34814, 42842), (35932, 41509)]