31920616

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 74390400

約数和(自身を除く): 42469784

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 163, 182, 269, 326, 364, 538, 652, 728, 1076, 1141, 1304, 1883, 2119, 2152, 2282, 3497, 3766, 4238, 4564, 6994, 7532, 8476, 9128, 13988, 14833, 15064, 16952, 24479, 27976, 29666, 43847, 48958, 59332, 87694, 97916, 118664, 175388, 195832, 306929, 350776, 570011, 613858, 1140022, 1227716, 2280044, 2455432, 3990077, 4560088, 7980154, 15960308, 31920616]

約数ペア:

[(1, 31920616), (2, 15960308), (4, 7980154), (7, 4560088), (8, 3990077), (13, 2455432), (14, 2280044), (26, 1227716), (28, 1140022), (52, 613858), (56, 570011), (91, 350776), (104, 306929), (163, 195832), (182, 175388), (269, 118664), (326, 97916), (364, 87694), (538, 59332), (652, 48958), (728, 43847), (1076, 29666), (1141, 27976), (1304, 24479), (1883, 16952), (2119, 15064), (2152, 14833), (2282, 13988), (3497, 9128), (3766, 8476), (4238, 7532), (4564, 6994)]