217214452

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 480038496

約数和(自身を除く): 262824044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 163, 182, 196, 326, 364, 523, 637, 652, 1046, 1141, 1274, 2092, 2119, 2282, 2548, 3661, 4238, 4564, 6799, 7322, 7987, 8476, 13598, 14644, 14833, 15974, 25627, 27196, 29666, 31948, 47593, 51254, 59332, 85249, 95186, 102508, 103831, 170498, 190372, 207662, 333151, 340996, 415324, 596743, 666302, 1108237, 1193486, 1332604, 2216474, 2386972, 4177201, 4432948, 7757659, 8354402, 15515318, 16708804, 31030636, 54303613, 108607226, 217214452]

約数ペア:

[(1, 217214452), (2, 108607226), (4, 54303613), (7, 31030636), (13, 16708804), (14, 15515318), (26, 8354402), (28, 7757659), (49, 4432948), (52, 4177201), (91, 2386972), (98, 2216474), (163, 1332604), (182, 1193486), (196, 1108237), (326, 666302), (364, 596743), (523, 415324), (637, 340996), (652, 333151), (1046, 207662), (1141, 190372), (1274, 170498), (2092, 103831), (2119, 102508), (2282, 95186), (2548, 85249), (3661, 59332), (4238, 51254), (4564, 47593), (6799, 31948), (7322, 29666), (7987, 27196), (8476, 25627), (13598, 15974), (14644, 14833)]