28878608

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 64757760

約数和(自身を除く): 35879152

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 67, 79, 88, 124, 134, 158, 176, 248, 268, 316, 341, 496, 536, 632, 682, 737, 869, 1072, 1264, 1364, 1474, 1738, 2077, 2449, 2728, 2948, 3476, 4154, 4898, 5293, 5456, 5896, 6952, 8308, 9796, 10586, 11792, 13904, 16616, 19592, 21172, 22847, 26939, 33232, 39184, 42344, 45694, 53878, 58223, 84688, 91388, 107756, 116446, 164083, 182776, 215512, 232892, 328166, 365552, 431024, 465784, 656332, 931568, 1312664, 1804913, 2625328, 3609826, 7219652, 14439304, 28878608]

約数ペア:

[(1, 28878608), (2, 14439304), (4, 7219652), (8, 3609826), (11, 2625328), (16, 1804913), (22, 1312664), (31, 931568), (44, 656332), (62, 465784), (67, 431024), (79, 365552), (88, 328166), (124, 232892), (134, 215512), (158, 182776), (176, 164083), (248, 116446), (268, 107756), (316, 91388), (341, 84688), (496, 58223), (536, 53878), (632, 45694), (682, 42344), (737, 39184), (869, 33232), (1072, 26939), (1264, 22847), (1364, 21172), (1474, 19592), (1738, 16616), (2077, 13904), (2449, 11792), (2728, 10586), (2948, 9796), (3476, 8308), (4154, 6952), (4898, 5896), (5293, 5456)]