281665132

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 597746688

約数和(自身を除く): 316081556

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 151, 196, 217, 302, 307, 434, 604, 614, 868, 1057, 1228, 1519, 2114, 2149, 3038, 4228, 4298, 4681, 6076, 7399, 8596, 9362, 9517, 14798, 15043, 18724, 19034, 29596, 30086, 32767, 38068, 46357, 60172, 65534, 66619, 92714, 131068, 133238, 185428, 229369, 266476, 324499, 458738, 466333, 648998, 917476, 932666, 1297996, 1437067, 1865332, 2271493, 2874134, 4542986, 5748268, 9085972, 10059469, 20118938, 40237876, 70416283, 140832566, 281665132]

約数ペア:

[(1, 281665132), (2, 140832566), (4, 70416283), (7, 40237876), (14, 20118938), (28, 10059469), (31, 9085972), (49, 5748268), (62, 4542986), (98, 2874134), (124, 2271493), (151, 1865332), (196, 1437067), (217, 1297996), (302, 932666), (307, 917476), (434, 648998), (604, 466333), (614, 458738), (868, 324499), (1057, 266476), (1228, 229369), (1519, 185428), (2114, 133238), (2149, 131068), (3038, 92714), (4228, 66619), (4298, 65534), (4681, 60172), (6076, 46357), (7399, 38068), (8596, 32767), (9362, 30086), (9517, 29596), (14798, 19034), (15043, 18724)]