28455830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 59609088

約数和(自身を除く): 31153258

約数列:

[1, 2, 5, 10, 13, 23, 26, 31, 46, 62, 65, 115, 130, 155, 230, 299, 307, 310, 403, 598, 614, 713, 806, 1426, 1495, 1535, 2015, 2990, 3070, 3565, 3991, 4030, 7061, 7130, 7982, 9269, 9517, 14122, 18538, 19034, 19955, 35305, 39910, 46345, 47585, 70610, 91793, 92690, 95170, 123721, 183586, 218891, 247442, 437782, 458965, 618605, 917930, 1094455, 1237210, 2188910, 2845583, 5691166, 14227915, 28455830]

約数ペア:

[(1, 28455830), (2, 14227915), (5, 5691166), (10, 2845583), (13, 2188910), (23, 1237210), (26, 1094455), (31, 917930), (46, 618605), (62, 458965), (65, 437782), (115, 247442), (130, 218891), (155, 183586), (230, 123721), (299, 95170), (307, 92690), (310, 91793), (403, 70610), (598, 47585), (614, 46345), (713, 39910), (806, 35305), (1426, 19955), (1495, 19034), (1535, 18538), (2015, 14122), (2990, 9517), (3070, 9269), (3565, 7982), (3991, 7130), (4030, 7061)]