245964516

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{557}}^1\times {\mathrm{751}}^1$

素因数の和:1329

約数の個数: 72

約数和(自身を含む): 669707136

約数和(自身を除く): 423742620

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 557, 588, 751, 1114, 1502, 1671, 2228, 2253, 3004, 3342, 3899, 4506, 5257, 6684, 7798, 9012, 10514, 11697, 15596, 15771, 21028, 23394, 27293, 31542, 36799, 46788, 54586, 63084, 73598, 81879, 109172, 110397, 147196, 163758, 220794, 327516, 418307, 441588, 836614, 1254921, 1673228, 2509842, 2928149, 5019684, 5856298, 8784447, 11712596, 17568894, 20497043, 35137788, 40994086, 61491129, 81988172, 122982258, 245964516]

約数ペア:

[(1, 245964516), (2, 122982258), (3, 81988172), (4, 61491129), (6, 40994086), (7, 35137788), (12, 20497043), (14, 17568894), (21, 11712596), (28, 8784447), (42, 5856298), (49, 5019684), (84, 2928149), (98, 2509842), (147, 1673228), (196, 1254921), (294, 836614), (557, 441588), (588, 418307), (751, 327516), (1114, 220794), (1502, 163758), (1671, 147196), (2228, 110397), (2253, 109172), (3004, 81879), (3342, 73598), (3899, 63084), (4506, 54586), (5257, 46788), (6684, 36799), (7798, 31542), (9012, 27293), (10514, 23394), (11697, 21028), (15596, 15771)]