28870244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 57576960

約数和(自身を除く): 28706716

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 101, 202, 239, 299, 404, 478, 598, 956, 1196, 1313, 2323, 2626, 3107, 4646, 5252, 5497, 6214, 9292, 10994, 12428, 21988, 24139, 30199, 48278, 60398, 71461, 96556, 120796, 142922, 285844, 313807, 555197, 627614, 1110394, 1255228, 2220788, 7217561, 14435122, 28870244]

約数ペア:

[(1, 28870244), (2, 14435122), (4, 7217561), (13, 2220788), (23, 1255228), (26, 1110394), (46, 627614), (52, 555197), (92, 313807), (101, 285844), (202, 142922), (239, 120796), (299, 96556), (404, 71461), (478, 60398), (598, 48278), (956, 30199), (1196, 24139), (1313, 21988), (2323, 12428), (2626, 10994), (3107, 9292), (4646, 6214), (5252, 5497)]