28861170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1787

約数の個数: 64

約数和(自身を含む): 76374144

約数和(自身を除く): 47512974

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 1721, 2795, 3354, 3442, 5163, 5590, 8385, 8605, 10326, 16770, 17210, 22373, 25815, 44746, 51630, 67119, 74003, 111865, 134238, 148006, 222009, 223730, 335595, 370015, 444018, 671190, 740030, 962039, 1110045, 1924078, 2220090, 2886117, 4810195, 5772234, 9620390, 14430585, 28861170]

約数ペア:

[(1, 28861170), (2, 14430585), (3, 9620390), (5, 5772234), (6, 4810195), (10, 2886117), (13, 2220090), (15, 1924078), (26, 1110045), (30, 962039), (39, 740030), (43, 671190), (65, 444018), (78, 370015), (86, 335595), (129, 223730), (130, 222009), (195, 148006), (215, 134238), (258, 111865), (390, 74003), (430, 67119), (559, 51630), (645, 44746), (1118, 25815), (1290, 22373), (1677, 17210), (1721, 16770), (2795, 10326), (3354, 8605), (3442, 8385), (5163, 5590)]