201589825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 283481856

約数和(自身を除く): 81892031

約数列:

[1, 5, 17, 23, 25, 41, 85, 115, 205, 391, 425, 503, 575, 697, 943, 1025, 1955, 2515, 3485, 4715, 8551, 9775, 11569, 12575, 16031, 17425, 20623, 23575, 42755, 57845, 80155, 103115, 196673, 213775, 289225, 350591, 400775, 474329, 515575, 983365, 1752955, 2371645, 4916825, 8063593, 8764775, 11858225, 40317965, 201589825]

約数ペア:

[(1, 201589825), (5, 40317965), (17, 11858225), (23, 8764775), (25, 8063593), (41, 4916825), (85, 2371645), (115, 1752955), (205, 983365), (391, 515575), (425, 474329), (503, 400775), (575, 350591), (697, 289225), (943, 213775), (1025, 196673), (1955, 103115), (2515, 80155), (3485, 57845), (4715, 42755), (8551, 23575), (9775, 20623), (11569, 17425), (12575, 16031)]