638356908

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{57139}}^1$

素因数の和:57179

約数の個数: 72

約数和(自身を含む): 1823908800

約数和(自身を除く): 1185551892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2793, 3724, 5586, 11172, 57139, 114278, 171417, 228556, 342834, 399973, 685668, 799946, 1085641, 1199919, 1599892, 2171282, 2399838, 2799811, 3256923, 4342564, 4799676, 5599622, 6513846, 7599487, 8399433, 11199244, 13027692, 15198974, 16798866, 22798461, 30397948, 33597732, 45596922, 53196409, 91193844, 106392818, 159589227, 212785636, 319178454, 638356908]

約数ペア:

[(1, 638356908), (2, 319178454), (3, 212785636), (4, 159589227), (6, 106392818), (7, 91193844), (12, 53196409), (14, 45596922), (19, 33597732), (21, 30397948), (28, 22798461), (38, 16798866), (42, 15198974), (49, 13027692), (57, 11199244), (76, 8399433), (84, 7599487), (98, 6513846), (114, 5599622), (133, 4799676), (147, 4342564), (196, 3256923), (228, 2799811), (266, 2399838), (294, 2171282), (399, 1599892), (532, 1199919), (588, 1085641), (798, 799946), (931, 685668), (1596, 399973), (1862, 342834), (2793, 228556), (3724, 171417), (5586, 114278), (11172, 57139)]