197243228

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 435708000

約数和(自身を除く): 238464772

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 199, 364, 389, 398, 637, 778, 796, 1274, 1393, 1556, 2548, 2587, 2723, 2786, 5057, 5174, 5446, 5572, 9751, 10114, 10348, 10892, 18109, 19061, 19502, 20228, 35399, 36218, 38122, 39004, 70798, 72436, 76244, 77411, 126763, 141596, 154822, 247793, 253526, 309644, 495586, 507052, 541877, 991172, 1006343, 1083754, 2012686, 2167508, 3793139, 4025372, 7044401, 7586278, 14088802, 15172556, 28177604, 49310807, 98621614, 197243228]

約数ペア:

[(1, 197243228), (2, 98621614), (4, 49310807), (7, 28177604), (13, 15172556), (14, 14088802), (26, 7586278), (28, 7044401), (49, 4025372), (52, 3793139), (91, 2167508), (98, 2012686), (182, 1083754), (196, 1006343), (199, 991172), (364, 541877), (389, 507052), (398, 495586), (637, 309644), (778, 253526), (796, 247793), (1274, 154822), (1393, 141596), (1556, 126763), (2548, 77411), (2587, 76244), (2723, 72436), (2786, 70798), (5057, 39004), (5174, 38122), (5446, 36218), (5572, 35399), (9751, 20228), (10114, 19502), (10348, 19061), (10892, 18109)]