81403504

素因数分解:

$2^4\times 7^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:212

約数の個数: 100

約数和(自身を含む): 199363976

約数和(自身を除く): 117960472

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 163, 182, 196, 208, 326, 343, 364, 392, 637, 652, 686, 728, 784, 1141, 1274, 1304, 1372, 1456, 2119, 2282, 2401, 2548, 2608, 2744, 4238, 4459, 4564, 4802, 5096, 5488, 7987, 8476, 8918, 9128, 9604, 10192, 14833, 15974, 16952, 17836, 18256, 19208, 29666, 31213, 31948, 33904, 35672, 38416, 55909, 59332, 62426, 63896, 71344, 103831, 111818, 118664, 124852, 127792, 207662, 223636, 237328, 249704, 391363, 415324, 447272, 499408, 726817, 782726, 830648, 894544, 1453634, 1565452, 1661296, 2907268, 3130904, 5087719, 5814536, 6261808, 10175438, 11629072, 20350876, 40701752, 81403504]

約数ペア:

[(1, 81403504), (2, 40701752), (4, 20350876), (7, 11629072), (8, 10175438), (13, 6261808), (14, 5814536), (16, 5087719), (26, 3130904), (28, 2907268), (49, 1661296), (52, 1565452), (56, 1453634), (91, 894544), (98, 830648), (104, 782726), (112, 726817), (163, 499408), (182, 447272), (196, 415324), (208, 391363), (326, 249704), (343, 237328), (364, 223636), (392, 207662), (637, 127792), (652, 124852), (686, 118664), (728, 111818), (784, 103831), (1141, 71344), (1274, 63896), (1304, 62426), (1372, 59332), (1456, 55909), (2119, 38416), (2282, 35672), (2401, 33904), (2548, 31948), (2608, 31213), (2744, 29666), (4238, 19208), (4459, 18256), (4564, 17836), (4802, 16952), (5096, 15974), (5488, 14833), (7987, 10192), (8476, 9604), (8918, 9128)]