28132390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 60383232

約数和(自身を除く): 32250842

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 103, 110, 130, 143, 191, 206, 286, 382, 515, 715, 955, 1030, 1133, 1339, 1430, 1910, 2101, 2266, 2483, 2678, 4202, 4966, 5665, 6695, 10505, 11330, 12415, 13390, 14729, 19673, 21010, 24830, 27313, 29458, 39346, 54626, 73645, 98365, 136565, 147290, 196730, 216403, 255749, 273130, 432806, 511498, 1082015, 1278745, 2164030, 2557490, 2813239, 5626478, 14066195, 28132390]

約数ペア:

[(1, 28132390), (2, 14066195), (5, 5626478), (10, 2813239), (11, 2557490), (13, 2164030), (22, 1278745), (26, 1082015), (55, 511498), (65, 432806), (103, 273130), (110, 255749), (130, 216403), (143, 196730), (191, 147290), (206, 136565), (286, 98365), (382, 73645), (515, 54626), (715, 39346), (955, 29458), (1030, 27313), (1133, 24830), (1339, 21010), (1430, 19673), (1910, 14729), (2101, 13390), (2266, 12415), (2483, 11330), (2678, 10505), (4202, 6695), (4966, 5665)]