4220812

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 36

約数和(自身を含む): 8107680

約数和(自身を除く): 3886868

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 79, 148, 158, 316, 361, 703, 722, 1406, 1444, 1501, 2812, 2923, 3002, 5846, 6004, 11692, 13357, 26714, 28519, 53428, 55537, 57038, 111074, 114076, 222148, 1055203, 2110406, 4220812]

約数ペア:

[(1, 4220812), (2, 2110406), (4, 1055203), (19, 222148), (37, 114076), (38, 111074), (74, 57038), (76, 55537), (79, 53428), (148, 28519), (158, 26714), (316, 13357), (361, 11692), (703, 6004), (722, 5846), (1406, 3002), (1444, 2923), (1501, 2812)]