171771248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1726

約数の個数: 80

約数和(自身を含む): 394736640

約数和(自身を除く): 222965392

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 44, 62, 76, 88, 124, 152, 176, 209, 248, 304, 341, 418, 496, 589, 682, 836, 1178, 1364, 1657, 1672, 2356, 2728, 3314, 3344, 4712, 5456, 6479, 6628, 9424, 12958, 13256, 18227, 25916, 26512, 31483, 36454, 51367, 51832, 62966, 72908, 102734, 103664, 125932, 145816, 205468, 251864, 291632, 346313, 410936, 503728, 565037, 692626, 821872, 975973, 1130074, 1385252, 1951946, 2260148, 2770504, 3903892, 4520296, 5541008, 7807784, 9040592, 10735703, 15615568, 21471406, 42942812, 85885624, 171771248]

約数ペア:

[(1, 171771248), (2, 85885624), (4, 42942812), (8, 21471406), (11, 15615568), (16, 10735703), (19, 9040592), (22, 7807784), (31, 5541008), (38, 4520296), (44, 3903892), (62, 2770504), (76, 2260148), (88, 1951946), (124, 1385252), (152, 1130074), (176, 975973), (209, 821872), (248, 692626), (304, 565037), (341, 503728), (418, 410936), (496, 346313), (589, 291632), (682, 251864), (836, 205468), (1178, 145816), (1364, 125932), (1657, 103664), (1672, 102734), (2356, 72908), (2728, 62966), (3314, 51832), (3344, 51367), (4712, 36454), (5456, 31483), (6479, 26512), (6628, 25916), (9424, 18227), (12958, 13256)]